Home / 38,980.85-58,487.67-15,295.64

Finding the Fourth Proportional to 38,980.85, 58,487.67 and 15,295.64

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Solution

The fourth proportional to 38,980.85, 58,487.67 and 15,295.64 is: 22,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.85 : 58,487.67 = 15,295.64 : x
  2. Step 2: Convert to fraction form
    38,980.85/58,487.67 = 15,295.64/x
  3. Step 3: Cross multiply
    38,980.85x = 58,487.67 × 15,295.64
  4. Step 4: Simplify right side
    38,980.85x = 894,606,052.32
  5. Step 5: Solve for x
    x = 894,606,052.32/38,980.85
  6. Step 6: Final answer
    x = 22,949.89

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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.