Home / 21,265.18-29,340.48-14,552.88

Finding the Fourth Proportional to 21,265.18, 29,340.48 and 14,552.88

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Solution

The fourth proportional to 21,265.18, 29,340.48 and 14,552.88 is: 20,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.18 : 29,340.48 = 14,552.88 : x
  2. Step 2: Convert to fraction form
    21,265.18/29,340.48 = 14,552.88/x
  3. Step 3: Cross multiply
    21,265.18x = 29,340.48 × 14,552.88
  4. Step 4: Simplify right side
    21,265.18x = 426,988,484.58
  5. Step 5: Solve for x
    x = 426,988,484.58/21,265.18
  6. Step 6: Final answer
    x = 20,079.23

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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.