Home / 27,931.32-38,548.58-15,998.52

Finding the Fourth Proportional to 27,931.32, 38,548.58 and 15,998.52

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Solution

The fourth proportional to 27,931.32, 38,548.58 and 15,998.52 is: 22,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.32 : 38,548.58 = 15,998.52 : x
  2. Step 2: Convert to fraction form
    27,931.32/38,548.58 = 15,998.52/x
  3. Step 3: Cross multiply
    27,931.32x = 38,548.58 × 15,998.52
  4. Step 4: Simplify right side
    27,931.32x = 616,720,228.10
  5. Step 5: Solve for x
    x = 616,720,228.10/27,931.32
  6. Step 6: Final answer
    x = 22,079.88

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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.