Home / 21,753.95-32,561.67-17,321.63

Finding the Fourth Proportional to 21,753.95, 32,561.67 and 17,321.63

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Solution

The fourth proportional to 21,753.95, 32,561.67 and 17,321.63 is: 25,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.95 : 32,561.67 = 17,321.63 : x
  2. Step 2: Convert to fraction form
    21,753.95/32,561.67 = 17,321.63/x
  3. Step 3: Cross multiply
    21,753.95x = 32,561.67 × 17,321.63
  4. Step 4: Simplify right side
    21,753.95x = 564,021,199.92
  5. Step 5: Solve for x
    x = 564,021,199.92/21,753.95
  6. Step 6: Final answer
    x = 25,927.30

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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.