Home / 40,220.28-60,333.30-13,928.76

Finding the Fourth Proportional to 40,220.28, 60,333.30 and 13,928.76

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Solution

The fourth proportional to 40,220.28, 60,333.30 and 13,928.76 is: 20,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.28 : 60,333.30 = 13,928.76 : x
  2. Step 2: Convert to fraction form
    40,220.28/60,333.30 = 13,928.76/x
  3. Step 3: Cross multiply
    40,220.28x = 60,333.30 × 13,928.76
  4. Step 4: Simplify right side
    40,220.28x = 840,368,055.71
  5. Step 5: Solve for x
    x = 840,368,055.71/40,220.28
  6. Step 6: Final answer
    x = 20,894.14

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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.