Home / 38,000.36-56,969.78-15,830.39

Finding the Fourth Proportional to 38,000.36, 56,969.78 and 15,830.39

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Solution

The fourth proportional to 38,000.36, 56,969.78 and 15,830.39 is: 23,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.36 : 56,969.78 = 15,830.39 : x
  2. Step 2: Convert to fraction form
    38,000.36/56,969.78 = 15,830.39/x
  3. Step 3: Cross multiply
    38,000.36x = 56,969.78 × 15,830.39
  4. Step 4: Simplify right side
    38,000.36x = 901,853,471.61
  5. Step 5: Solve for x
    x = 901,853,471.61/38,000.36
  6. Step 6: Final answer
    x = 23,732.76

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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.