Home / 28,207.04-42,317.84-15,055.88

Finding the Fourth Proportional to 28,207.04, 42,317.84 and 15,055.88

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Solution

The fourth proportional to 28,207.04, 42,317.84 and 15,055.88 is: 22,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.04 : 42,317.84 = 15,055.88 : x
  2. Step 2: Convert to fraction form
    28,207.04/42,317.84 = 15,055.88/x
  3. Step 3: Cross multiply
    28,207.04x = 42,317.84 × 15,055.88
  4. Step 4: Simplify right side
    28,207.04x = 637,132,146.95
  5. Step 5: Solve for x
    x = 637,132,146.95/28,207.04
  6. Step 6: Final answer
    x = 22,587.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.