Home / 29,250.62-40,365.74-15,821.86

Finding the Fourth Proportional to 29,250.62, 40,365.74 and 15,821.86

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Solution

The fourth proportional to 29,250.62, 40,365.74 and 15,821.86 is: 21,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.62 : 40,365.74 = 15,821.86 : x
  2. Step 2: Convert to fraction form
    29,250.62/40,365.74 = 15,821.86/x
  3. Step 3: Cross multiply
    29,250.62x = 40,365.74 × 15,821.86
  4. Step 4: Simplify right side
    29,250.62x = 638,661,025.72
  5. Step 5: Solve for x
    x = 638,661,025.72/29,250.62
  6. Step 6: Final answer
    x = 21,834.10

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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.