Home / 21,653.76-29,877.02-14,937.24

Finding the Fourth Proportional to 21,653.76, 29,877.02 and 14,937.24

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Solution

The fourth proportional to 21,653.76, 29,877.02 and 14,937.24 is: 20,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.76 : 29,877.02 = 14,937.24 : x
  2. Step 2: Convert to fraction form
    21,653.76/29,877.02 = 14,937.24/x
  3. Step 3: Cross multiply
    21,653.76x = 29,877.02 × 14,937.24
  4. Step 4: Simplify right side
    21,653.76x = 446,280,218.22
  5. Step 5: Solve for x
    x = 446,280,218.22/21,653.76
  6. Step 6: Final answer
    x = 20,609.83

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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.