Home / 28,913.80-43,370.46-14,877.76

Finding the Fourth Proportional to 28,913.80, 43,370.46 and 14,877.76

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Solution

The fourth proportional to 28,913.80, 43,370.46 and 14,877.76 is: 22,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.80 : 43,370.46 = 14,877.76 : x
  2. Step 2: Convert to fraction form
    28,913.80/43,370.46 = 14,877.76/x
  3. Step 3: Cross multiply
    28,913.80x = 43,370.46 × 14,877.76
  4. Step 4: Simplify right side
    28,913.80x = 645,255,294.97
  5. Step 5: Solve for x
    x = 645,255,294.97/28,913.80
  6. Step 6: Final answer
    x = 22,316.52

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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.