Home / 38,855.46-58,276.08-10,392.78

Finding the Fourth Proportional to 38,855.46, 58,276.08 and 10,392.78

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Solution

The fourth proportional to 38,855.46, 58,276.08 and 10,392.78 is: 15,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.46 : 58,276.08 = 10,392.78 : x
  2. Step 2: Convert to fraction form
    38,855.46/58,276.08 = 10,392.78/x
  3. Step 3: Cross multiply
    38,855.46x = 58,276.08 × 10,392.78
  4. Step 4: Simplify right side
    38,855.46x = 605,650,478.70
  5. Step 5: Solve for x
    x = 605,650,478.70/38,855.46
  6. Step 6: Final answer
    x = 15,587.27

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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.