Home / 27,783.66-38,341.14-15,036.56

Finding the Fourth Proportional to 27,783.66, 38,341.14 and 15,036.56

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Solution

The fourth proportional to 27,783.66, 38,341.14 and 15,036.56 is: 20,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783.66 : 38,341.14 = 15,036.56 : x
  2. Step 2: Convert to fraction form
    27,783.66/38,341.14 = 15,036.56/x
  3. Step 3: Cross multiply
    27,783.66x = 38,341.14 × 15,036.56
  4. Step 4: Simplify right side
    27,783.66x = 576,518,660.37
  5. Step 5: Solve for x
    x = 576,518,660.37/27,783.66
  6. Step 6: Final answer
    x = 20,750.28

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.