Home / 24,439.40-36,702.30-18,906.20

Finding the Fourth Proportional to 24,439.40, 36,702.30 and 18,906.20

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Solution

The fourth proportional to 24,439.40, 36,702.30 and 18,906.20 is: 28,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,439.40 : 36,702.30 = 18,906.20 : x
  2. Step 2: Convert to fraction form
    24,439.40/36,702.30 = 18,906.20/x
  3. Step 3: Cross multiply
    24,439.40x = 36,702.30 × 18,906.20
  4. Step 4: Simplify right side
    24,439.40x = 693,901,024.26
  5. Step 5: Solve for x
    x = 693,901,024.26/24,439.40
  6. Step 6: Final answer
    x = 28,392.72

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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.