Home / 22,527.40-31,054.86-15,792.72

Finding the Fourth Proportional to 22,527.40, 31,054.86 and 15,792.72

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Solution

The fourth proportional to 22,527.40, 31,054.86 and 15,792.72 is: 21,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.40 : 31,054.86 = 15,792.72 : x
  2. Step 2: Convert to fraction form
    22,527.40/31,054.86 = 15,792.72/x
  3. Step 3: Cross multiply
    22,527.40x = 31,054.86 × 15,792.72
  4. Step 4: Simplify right side
    22,527.40x = 490,440,708.62
  5. Step 5: Solve for x
    x = 490,440,708.62/22,527.40
  6. Step 6: Final answer
    x = 21,770.85

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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.