Home / 38,108.16-57,158.40-10,408.96

Finding the Fourth Proportional to 38,108.16, 57,158.40 and 10,408.96

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Solution

The fourth proportional to 38,108.16, 57,158.40 and 10,408.96 is: 15,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.16 : 57,158.40 = 10,408.96 : x
  2. Step 2: Convert to fraction form
    38,108.16/57,158.40 = 10,408.96/x
  3. Step 3: Cross multiply
    38,108.16x = 57,158.40 × 10,408.96
  4. Step 4: Simplify right side
    38,108.16x = 594,959,499.26
  5. Step 5: Solve for x
    x = 594,959,499.26/38,108.16
  6. Step 6: Final answer
    x = 15,612.39

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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.