Home / 28,073.34-38,741.13-15,498

Finding the Fourth Proportional to 28,073.34, 38,741.13 and 15,498

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Solution

The fourth proportional to 28,073.34, 38,741.13 and 15,498 is: 21,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.34 : 38,741.13 = 15,498 : x
  2. Step 2: Convert to fraction form
    28,073.34/38,741.13 = 15,498/x
  3. Step 3: Cross multiply
    28,073.34x = 38,741.13 × 15,498
  4. Step 4: Simplify right side
    28,073.34x = 600,410,032.74
  5. Step 5: Solve for x
    x = 600,410,032.74/28,073.34
  6. Step 6: Final answer
    x = 21,387.20

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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.