Home / 28,348.64-42,524.70-8,628.66

Finding the Fourth Proportional to 28,348.64, 42,524.70 and 8,628.66

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Solution

The fourth proportional to 28,348.64, 42,524.70 and 8,628.66 is: 12,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.64 : 42,524.70 = 8,628.66 : x
  2. Step 2: Convert to fraction form
    28,348.64/42,524.70 = 8,628.66/x
  3. Step 3: Cross multiply
    28,348.64x = 42,524.70 × 8,628.66
  4. Step 4: Simplify right side
    28,348.64x = 366,931,177.90
  5. Step 5: Solve for x
    x = 366,931,177.90/28,348.64
  6. Step 6: Final answer
    x = 12,943.52

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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.