Home / 28,306.48-42,459.66-7,529.98

Finding the Fourth Proportional to 28,306.48, 42,459.66 and 7,529.98

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Solution

The fourth proportional to 28,306.48, 42,459.66 and 7,529.98 is: 11,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.48 : 42,459.66 = 7,529.98 : x
  2. Step 2: Convert to fraction form
    28,306.48/42,459.66 = 7,529.98/x
  3. Step 3: Cross multiply
    28,306.48x = 42,459.66 × 7,529.98
  4. Step 4: Simplify right side
    28,306.48x = 319,720,390.61
  5. Step 5: Solve for x
    x = 319,720,390.61/28,306.48
  6. Step 6: Final answer
    x = 11,294.95

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1.5x scale

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.