Home / 26,712.80-36,862.16-15,380.48

Finding the Fourth Proportional to 26,712.80, 36,862.16 and 15,380.48

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Solution

The fourth proportional to 26,712.80, 36,862.16 and 15,380.48 is: 21,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.80 : 36,862.16 = 15,380.48 : x
  2. Step 2: Convert to fraction form
    26,712.80/36,862.16 = 15,380.48/x
  3. Step 3: Cross multiply
    26,712.80x = 36,862.16 × 15,380.48
  4. Step 4: Simplify right side
    26,712.80x = 566,957,714.64
  5. Step 5: Solve for x
    x = 566,957,714.64/26,712.80
  6. Step 6: Final answer
    x = 21,224.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.