Home / 21,225.29-29,261.63-16,932.95

Finding the Fourth Proportional to 21,225.29, 29,261.63 and 16,932.95

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Solution

The fourth proportional to 21,225.29, 29,261.63 and 16,932.95 is: 23,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.29 : 29,261.63 = 16,932.95 : x
  2. Step 2: Convert to fraction form
    21,225.29/29,261.63 = 16,932.95/x
  3. Step 3: Cross multiply
    21,225.29x = 29,261.63 × 16,932.95
  4. Step 4: Simplify right side
    21,225.29x = 495,485,486.74
  5. Step 5: Solve for x
    x = 495,485,486.74/21,225.29
  6. Step 6: Final answer
    x = 23,344.11

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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.