Home / 57,142.13-85,712.28-15,589.13

Finding the Fourth Proportional to 57,142.13, 85,712.28 and 15,589.13

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Solution

The fourth proportional to 57,142.13, 85,712.28 and 15,589.13 is: 23,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.13 : 85,712.28 = 15,589.13 : x
  2. Step 2: Convert to fraction form
    57,142.13/85,712.28 = 15,589.13/x
  3. Step 3: Cross multiply
    57,142.13x = 85,712.28 × 15,589.13
  4. Step 4: Simplify right side
    57,142.13x = 1,336,179,875.52
  5. Step 5: Solve for x
    x = 1,336,179,875.52/57,142.13
  6. Step 6: Final answer
    x = 23,383.45

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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.