Home / 28,280.30-42,363.88-17,029.40

Finding the Fourth Proportional to 28,280.30, 42,363.88 and 17,029.40

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Solution

The fourth proportional to 28,280.30, 42,363.88 and 17,029.40 is: 25,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.30 : 42,363.88 = 17,029.40 : x
  2. Step 2: Convert to fraction form
    28,280.30/42,363.88 = 17,029.40/x
  3. Step 3: Cross multiply
    28,280.30x = 42,363.88 × 17,029.40
  4. Step 4: Simplify right side
    28,280.30x = 721,431,203.68
  5. Step 5: Solve for x
    x = 721,431,203.68/28,280.30
  6. Step 6: Final answer
    x = 25,510.03

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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.