Home / 28,124.04-42,139.92-17,033.90

Finding the Fourth Proportional to 28,124.04, 42,139.92 and 17,033.90

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Solution

The fourth proportional to 28,124.04, 42,139.92 and 17,033.90 is: 25,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124.04 : 42,139.92 = 17,033.90 : x
  2. Step 2: Convert to fraction form
    28,124.04/42,139.92 = 17,033.90/x
  3. Step 3: Cross multiply
    28,124.04x = 42,139.92 × 17,033.90
  4. Step 4: Simplify right side
    28,124.04x = 717,806,988.56
  5. Step 5: Solve for x
    x = 717,806,988.56/28,124.04
  6. Step 6: Final answer
    x = 25,522.90

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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.