Home / 21,948.40-32,944.20-10,867.60

Finding the Fourth Proportional to 21,948.40, 32,944.20 and 10,867.60

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Solution

The fourth proportional to 21,948.40, 32,944.20 and 10,867.60 is: 16,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.40 : 32,944.20 = 10,867.60 : x
  2. Step 2: Convert to fraction form
    21,948.40/32,944.20 = 10,867.60/x
  3. Step 3: Cross multiply
    21,948.40x = 32,944.20 × 10,867.60
  4. Step 4: Simplify right side
    21,948.40x = 358,024,387.92
  5. Step 5: Solve for x
    x = 358,024,387.92/21,948.40
  6. Step 6: Final answer
    x = 16,312.10

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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.