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Finding the Fourth Proportional to 24,312.71, 33,550.71 and 13,702.25

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Solution

The fourth proportional to 24,312.71, 33,550.71 and 13,702.25 is: 18,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,312.71 : 33,550.71 = 13,702.25 : x
  2. Step 2: Convert to fraction form
    24,312.71/33,550.71 = 13,702.25/x
  3. Step 3: Cross multiply
    24,312.71x = 33,550.71 × 13,702.25
  4. Step 4: Simplify right side
    24,312.71x = 459,720,048.34
  5. Step 5: Solve for x
    x = 459,720,048.34/24,312.71
  6. Step 6: Final answer
    x = 18,908.63

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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.