Home / 27,685.56-38,206.32-15,110.52

Finding the Fourth Proportional to 27,685.56, 38,206.32 and 15,110.52

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Solution

The fourth proportional to 27,685.56, 38,206.32 and 15,110.52 is: 20,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685.56 : 38,206.32 = 15,110.52 : x
  2. Step 2: Convert to fraction form
    27,685.56/38,206.32 = 15,110.52/x
  3. Step 3: Cross multiply
    27,685.56x = 38,206.32 × 15,110.52
  4. Step 4: Simplify right side
    27,685.56x = 577,317,362.49
  5. Step 5: Solve for x
    x = 577,317,362.49/27,685.56
  6. Step 6: Final answer
    x = 20,852.65

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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.