Home / 28,373.49-42,522.51-15,043.74

Finding the Fourth Proportional to 28,373.49, 42,522.51 and 15,043.74

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Solution

The fourth proportional to 28,373.49, 42,522.51 and 15,043.74 is: 22,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,373.49 : 42,522.51 = 15,043.74 : x
  2. Step 2: Convert to fraction form
    28,373.49/42,522.51 = 15,043.74/x
  3. Step 3: Cross multiply
    28,373.49x = 42,522.51 × 15,043.74
  4. Step 4: Simplify right side
    28,373.49x = 639,697,584.59
  5. Step 5: Solve for x
    x = 639,697,584.59/28,373.49
  6. Step 6: Final answer
    x = 22,545.61

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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.