Home / 23,087.89-31,867.32-15,041.61

Finding the Fourth Proportional to 23,087.89, 31,867.32 and 15,041.61

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Solution

The fourth proportional to 23,087.89, 31,867.32 and 15,041.61 is: 20,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,087.89 : 31,867.32 = 15,041.61 : x
  2. Step 2: Convert to fraction form
    23,087.89/31,867.32 = 15,041.61/x
  3. Step 3: Cross multiply
    23,087.89x = 31,867.32 × 15,041.61
  4. Step 4: Simplify right side
    23,087.89x = 479,335,698.74
  5. Step 5: Solve for x
    x = 479,335,698.74/23,087.89
  6. Step 6: Final answer
    x = 20,761.35

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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.