Home / 40,275.20-60,427.20-16,908.80

Finding the Fourth Proportional to 40,275.20, 60,427.20 and 16,908.80

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Solution

The fourth proportional to 40,275.20, 60,427.20 and 16,908.80 is: 25,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.20 : 60,427.20 = 16,908.80 : x
  2. Step 2: Convert to fraction form
    40,275.20/60,427.20 = 16,908.80/x
  3. Step 3: Cross multiply
    40,275.20x = 60,427.20 × 16,908.80
  4. Step 4: Simplify right side
    40,275.20x = 1,021,751,439.36
  5. Step 5: Solve for x
    x = 1,021,751,439.36/40,275.20
  6. Step 6: Final answer
    x = 25,369.25

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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.