Home / 27,963.04-38,587.96-15,387.52

Finding the Fourth Proportional to 27,963.04, 38,587.96 and 15,387.52

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Solution

The fourth proportional to 27,963.04, 38,587.96 and 15,387.52 is: 21,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.04 : 38,587.96 = 15,387.52 : x
  2. Step 2: Convert to fraction form
    27,963.04/38,587.96 = 15,387.52/x
  3. Step 3: Cross multiply
    27,963.04x = 38,587.96 × 15,387.52
  4. Step 4: Simplify right side
    27,963.04x = 593,773,006.26
  5. Step 5: Solve for x
    x = 593,773,006.26/27,963.04
  6. Step 6: Final answer
    x = 21,234.21

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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.