Home / 27,946.13-38,565.75-15,199.31

Finding the Fourth Proportional to 27,946.13, 38,565.75 and 15,199.31

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Solution

The fourth proportional to 27,946.13, 38,565.75 and 15,199.31 is: 20,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.13 : 38,565.75 = 15,199.31 : x
  2. Step 2: Convert to fraction form
    27,946.13/38,565.75 = 15,199.31/x
  3. Step 3: Cross multiply
    27,946.13x = 38,565.75 × 15,199.31
  4. Step 4: Simplify right side
    27,946.13x = 586,172,726.11
  5. Step 5: Solve for x
    x = 586,172,726.11/27,946.13
  6. Step 6: Final answer
    x = 20,975.10

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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.