Home / 29,188.24-40,275.72-16,439.28

Finding the Fourth Proportional to 29,188.24, 40,275.72 and 16,439.28

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Solution

The fourth proportional to 29,188.24, 40,275.72 and 16,439.28 is: 22,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.24 : 40,275.72 = 16,439.28 : x
  2. Step 2: Convert to fraction form
    29,188.24/40,275.72 = 16,439.28/x
  3. Step 3: Cross multiply
    29,188.24x = 40,275.72 × 16,439.28
  4. Step 4: Simplify right side
    29,188.24x = 662,103,838.28
  5. Step 5: Solve for x
    x = 662,103,838.28/29,188.24
  6. Step 6: Final answer
    x = 22,683.92

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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.