Home / 22,079.28-30,439.56-14,993.40

Finding the Fourth Proportional to 22,079.28, 30,439.56 and 14,993.40

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Solution

The fourth proportional to 22,079.28, 30,439.56 and 14,993.40 is: 20,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.28 : 30,439.56 = 14,993.40 : x
  2. Step 2: Convert to fraction form
    22,079.28/30,439.56 = 14,993.40/x
  3. Step 3: Cross multiply
    22,079.28x = 30,439.56 × 14,993.40
  4. Step 4: Simplify right side
    22,079.28x = 456,392,498.90
  5. Step 5: Solve for x
    x = 456,392,498.90/22,079.28
  6. Step 6: Final answer
    x = 20,670.62

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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.