Home / 28,100.55-42,026.90-25,002.30

Finding the Fourth Proportional to 28,100.55, 42,026.90 and 25,002.30

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Solution

The fourth proportional to 28,100.55, 42,026.90 and 25,002.30 is: 37,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.55 : 42,026.90 = 25,002.30 : x
  2. Step 2: Convert to fraction form
    28,100.55/42,026.90 = 25,002.30/x
  3. Step 3: Cross multiply
    28,100.55x = 42,026.90 × 25,002.30
  4. Step 4: Simplify right side
    28,100.55x = 1,050,769,036.86
  5. Step 5: Solve for x
    x = 1,050,769,036.86/28,100.55
  6. Step 6: Final answer
    x = 37,393.18

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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.