Home / 28,251.04-42,442.72-26,655.20

Finding the Fourth Proportional to 28,251.04, 42,442.72 and 26,655.20

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Solution

The fourth proportional to 28,251.04, 42,442.72 and 26,655.20 is: 40,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.04 : 42,442.72 = 26,655.20 : x
  2. Step 2: Convert to fraction form
    28,251.04/42,442.72 = 26,655.20/x
  3. Step 3: Cross multiply
    28,251.04x = 42,442.72 × 26,655.20
  4. Step 4: Simplify right side
    28,251.04x = 1,131,319,190.14
  5. Step 5: Solve for x
    x = 1,131,319,190.14/28,251.04
  6. Step 6: Final answer
    x = 40,045.22

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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.