Home / 24,478.59-33,779.79-13,869.21

Finding the Fourth Proportional to 24,478.59, 33,779.79 and 13,869.21

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Solution

The fourth proportional to 24,478.59, 33,779.79 and 13,869.21 is: 19,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.59 : 33,779.79 = 13,869.21 : x
  2. Step 2: Convert to fraction form
    24,478.59/33,779.79 = 13,869.21/x
  3. Step 3: Cross multiply
    24,478.59x = 33,779.79 × 13,869.21
  4. Step 4: Simplify right side
    24,478.59x = 468,499,001.27
  5. Step 5: Solve for x
    x = 468,499,001.27/24,478.59
  6. Step 6: Final answer
    x = 19,139.13

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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.