Home / 28,294.58-39,046.32-15,547.91

Finding the Fourth Proportional to 28,294.58, 39,046.32 and 15,547.91

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Solution

The fourth proportional to 28,294.58, 39,046.32 and 15,547.91 is: 21,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.58 : 39,046.32 = 15,547.91 : x
  2. Step 2: Convert to fraction form
    28,294.58/39,046.32 = 15,547.91/x
  3. Step 3: Cross multiply
    28,294.58x = 39,046.32 × 15,547.91
  4. Step 4: Simplify right side
    28,294.58x = 607,088,473.96
  5. Step 5: Solve for x
    x = 607,088,473.96/28,294.58
  6. Step 6: Final answer
    x = 21,456.00

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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.