Home / 21,669.18-32,459.42-14,989.11

Finding the Fourth Proportional to 21,669.18, 32,459.42 and 14,989.11

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Solution

The fourth proportional to 21,669.18, 32,459.42 and 14,989.11 is: 22,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.18 : 32,459.42 = 14,989.11 : x
  2. Step 2: Convert to fraction form
    21,669.18/32,459.42 = 14,989.11/x
  3. Step 3: Cross multiply
    21,669.18x = 32,459.42 × 14,989.11
  4. Step 4: Simplify right side
    21,669.18x = 486,537,741.97
  5. Step 5: Solve for x
    x = 486,537,741.97/21,669.18
  6. Step 6: Final answer
    x = 22,452.98

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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.