Home / 27,648.81-38,154.87-15,073.56

Finding the Fourth Proportional to 27,648.81, 38,154.87 and 15,073.56

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Solution

The fourth proportional to 27,648.81, 38,154.87 and 15,073.56 is: 20,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.81 : 38,154.87 = 15,073.56 : x
  2. Step 2: Convert to fraction form
    27,648.81/38,154.87 = 15,073.56/x
  3. Step 3: Cross multiply
    27,648.81x = 38,154.87 × 15,073.56
  4. Step 4: Simplify right side
    27,648.81x = 575,129,722.24
  5. Step 5: Solve for x
    x = 575,129,722.24/27,648.81
  6. Step 6: Final answer
    x = 20,801.25

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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.