Home / 28,521.24-42,766.56-15,874.98

Finding the Fourth Proportional to 28,521.24, 42,766.56 and 15,874.98

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Solution

The fourth proportional to 28,521.24, 42,766.56 and 15,874.98 is: 23,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521.24 : 42,766.56 = 15,874.98 : x
  2. Step 2: Convert to fraction form
    28,521.24/42,766.56 = 15,874.98/x
  3. Step 3: Cross multiply
    28,521.24x = 42,766.56 × 15,874.98
  4. Step 4: Simplify right side
    28,521.24x = 678,918,284.67
  5. Step 5: Solve for x
    x = 678,918,284.67/28,521.24
  6. Step 6: Final answer
    x = 23,803.95

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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.