Home / 21,966.60-32,952.30-21,275.40

Finding the Fourth Proportional to 21,966.60, 32,952.30 and 21,275.40

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Solution

The fourth proportional to 21,966.60, 32,952.30 and 21,275.40 is: 31,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.60 : 32,952.30 = 21,275.40 : x
  2. Step 2: Convert to fraction form
    21,966.60/32,952.30 = 21,275.40/x
  3. Step 3: Cross multiply
    21,966.60x = 32,952.30 × 21,275.40
  4. Step 4: Simplify right side
    21,966.60x = 701,073,363.42
  5. Step 5: Solve for x
    x = 701,073,363.42/21,966.60
  6. Step 6: Final answer
    x = 31,915.42

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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.