Home / 27,946.66-38,565.62-15,371.42

Finding the Fourth Proportional to 27,946.66, 38,565.62 and 15,371.42

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Solution

The fourth proportional to 27,946.66, 38,565.62 and 15,371.42 is: 21,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.66 : 38,565.62 = 15,371.42 : x
  2. Step 2: Convert to fraction form
    27,946.66/38,565.62 = 15,371.42/x
  3. Step 3: Cross multiply
    27,946.66x = 38,565.62 × 15,371.42
  4. Step 4: Simplify right side
    27,946.66x = 592,808,342.58
  5. Step 5: Solve for x
    x = 592,808,342.58/27,946.66
  6. Step 6: Final answer
    x = 21,212.14

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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.