Home / 21,269.60-29,353.44-14,191.52

Finding the Fourth Proportional to 21,269.60, 29,353.44 and 14,191.52

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Solution

The fourth proportional to 21,269.60, 29,353.44 and 14,191.52 is: 19,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.60 : 29,353.44 = 14,191.52 : x
  2. Step 2: Convert to fraction form
    21,269.60/29,353.44 = 14,191.52/x
  3. Step 3: Cross multiply
    21,269.60x = 29,353.44 × 14,191.52
  4. Step 4: Simplify right side
    21,269.60x = 416,569,930.83
  5. Step 5: Solve for x
    x = 416,569,930.83/21,269.60
  6. Step 6: Final answer
    x = 19,585.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.