Home / 28,921.60-43,382.10-14,885.56

Finding the Fourth Proportional to 28,921.60, 43,382.10 and 14,885.56

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Solution

The fourth proportional to 28,921.60, 43,382.10 and 14,885.56 is: 22,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,921.60 : 43,382.10 = 14,885.56 : x
  2. Step 2: Convert to fraction form
    28,921.60/43,382.10 = 14,885.56/x
  3. Step 3: Cross multiply
    28,921.60x = 43,382.10 × 14,885.56
  4. Step 4: Simplify right side
    28,921.60x = 645,766,852.48
  5. Step 5: Solve for x
    x = 645,766,852.48/28,921.60
  6. Step 6: Final answer
    x = 22,328.19

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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.