Home / 21,655.11-32,480.53-14,679.93

Finding the Fourth Proportional to 21,655.11, 32,480.53 and 14,679.93

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Solution

The fourth proportional to 21,655.11, 32,480.53 and 14,679.93 is: 22,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.11 : 32,480.53 = 14,679.93 : x
  2. Step 2: Convert to fraction form
    21,655.11/32,480.53 = 14,679.93/x
  3. Step 3: Cross multiply
    21,655.11x = 32,480.53 × 14,679.93
  4. Step 4: Simplify right side
    21,655.11x = 476,811,803.31
  5. Step 5: Solve for x
    x = 476,811,803.31/21,655.11
  6. Step 6: Final answer
    x = 22,018.45

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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.