Home / 24,278.76-36,420.75-7,639.29

Finding the Fourth Proportional to 24,278.76, 36,420.75 and 7,639.29

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Solution

The fourth proportional to 24,278.76, 36,420.75 and 7,639.29 is: 11,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,278.76 : 36,420.75 = 7,639.29 : x
  2. Step 2: Convert to fraction form
    24,278.76/36,420.75 = 7,639.29/x
  3. Step 3: Cross multiply
    24,278.76x = 36,420.75 × 7,639.29
  4. Step 4: Simplify right side
    24,278.76x = 278,228,671.27
  5. Step 5: Solve for x
    x = 278,228,671.27/24,278.76
  6. Step 6: Final answer
    x = 11,459.76

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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.