Home / 27,143.80-37,458.24-15,207.24

Finding the Fourth Proportional to 27,143.80, 37,458.24 and 15,207.24

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Solution

The fourth proportional to 27,143.80, 37,458.24 and 15,207.24 is: 20,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.80 : 37,458.24 = 15,207.24 : x
  2. Step 2: Convert to fraction form
    27,143.80/37,458.24 = 15,207.24/x
  3. Step 3: Cross multiply
    27,143.80x = 37,458.24 × 15,207.24
  4. Step 4: Simplify right side
    27,143.80x = 569,636,445.66
  5. Step 5: Solve for x
    x = 569,636,445.66/27,143.80
  6. Step 6: Final answer
    x = 20,985.88

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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.