Home / 21,265.20-29,347.65-14,082.93

Finding the Fourth Proportional to 21,265.20, 29,347.65 and 14,082.93

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Solution

The fourth proportional to 21,265.20, 29,347.65 and 14,082.93 is: 19,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.20 : 29,347.65 = 14,082.93 : x
  2. Step 2: Convert to fraction form
    21,265.20/29,347.65 = 14,082.93/x
  3. Step 3: Cross multiply
    21,265.20x = 29,347.65 × 14,082.93
  4. Step 4: Simplify right side
    21,265.20x = 413,300,900.61
  5. Step 5: Solve for x
    x = 413,300,900.61/21,265.20
  6. Step 6: Final answer
    x = 19,435.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.