Home / 28,437.24-42,660.87-9,712.89

Finding the Fourth Proportional to 28,437.24, 42,660.87 and 9,712.89

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Solution

The fourth proportional to 28,437.24, 42,660.87 and 9,712.89 is: 14,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.24 : 42,660.87 = 9,712.89 : x
  2. Step 2: Convert to fraction form
    28,437.24/42,660.87 = 9,712.89/x
  3. Step 3: Cross multiply
    28,437.24x = 42,660.87 × 9,712.89
  4. Step 4: Simplify right side
    28,437.24x = 414,360,337.61
  5. Step 5: Solve for x
    x = 414,360,337.61/28,437.24
  6. Step 6: Final answer
    x = 14,571.05

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