Home / 21,593.42-32,316.98-13,278.70

Finding the Fourth Proportional to 21,593.42, 32,316.98 and 13,278.70

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Solution

The fourth proportional to 21,593.42, 32,316.98 and 13,278.70 is: 19,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.42 : 32,316.98 = 13,278.70 : x
  2. Step 2: Convert to fraction form
    21,593.42/32,316.98 = 13,278.70/x
  3. Step 3: Cross multiply
    21,593.42x = 32,316.98 × 13,278.70
  4. Step 4: Simplify right side
    21,593.42x = 429,127,456.33
  5. Step 5: Solve for x
    x = 429,127,456.33/21,593.42
  6. Step 6: Final answer
    x = 19,873.07

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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.