Home / 21,595.42-32,319.97-13,280.70

Finding the Fourth Proportional to 21,595.42, 32,319.97 and 13,280.70

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Solution

The fourth proportional to 21,595.42, 32,319.97 and 13,280.70 is: 19,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.42 : 32,319.97 = 13,280.70 : x
  2. Step 2: Convert to fraction form
    21,595.42/32,319.97 = 13,280.70/x
  3. Step 3: Cross multiply
    21,595.42x = 32,319.97 × 13,280.70
  4. Step 4: Simplify right side
    21,595.42x = 429,231,825.58
  5. Step 5: Solve for x
    x = 429,231,825.58/21,595.42
  6. Step 6: Final answer
    x = 19,876.06

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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.