Home / 28,402.16-42,556.15-17,275.19

Finding the Fourth Proportional to 28,402.16, 42,556.15 and 17,275.19

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Solution

The fourth proportional to 28,402.16, 42,556.15 and 17,275.19 is: 25,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402.16 : 42,556.15 = 17,275.19 : x
  2. Step 2: Convert to fraction form
    28,402.16/42,556.15 = 17,275.19/x
  3. Step 3: Cross multiply
    28,402.16x = 42,556.15 × 17,275.19
  4. Step 4: Simplify right side
    28,402.16x = 735,165,385.73
  5. Step 5: Solve for x
    x = 735,165,385.73/28,402.16
  6. Step 6: Final answer
    x = 25,884.14

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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.