Home / 27,470.14-37,909.53-15,535.25

Finding the Fourth Proportional to 27,470.14, 37,909.53 and 15,535.25

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Solution

The fourth proportional to 27,470.14, 37,909.53 and 15,535.25 is: 21,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.14 : 37,909.53 = 15,535.25 : x
  2. Step 2: Convert to fraction form
    27,470.14/37,909.53 = 15,535.25/x
  3. Step 3: Cross multiply
    27,470.14x = 37,909.53 × 15,535.25
  4. Step 4: Simplify right side
    27,470.14x = 588,934,025.93
  5. Step 5: Solve for x
    x = 588,934,025.93/27,470.14
  6. Step 6: Final answer
    x = 21,439.07

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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.