Home / 28,058.42-42,080.40-8,332.52

Finding the Fourth Proportional to 28,058.42, 42,080.40 and 8,332.52

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Solution

The fourth proportional to 28,058.42, 42,080.40 and 8,332.52 is: 12,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.42 : 42,080.40 = 8,332.52 : x
  2. Step 2: Convert to fraction form
    28,058.42/42,080.40 = 8,332.52/x
  3. Step 3: Cross multiply
    28,058.42x = 42,080.40 × 8,332.52
  4. Step 4: Simplify right side
    28,058.42x = 350,635,774.61
  5. Step 5: Solve for x
    x = 350,635,774.61/28,058.42
  6. Step 6: Final answer
    x = 12,496.63

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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.