Home / 28,706.46-39,615.45-15,960.70

Finding the Fourth Proportional to 28,706.46, 39,615.45 and 15,960.70

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Solution

The fourth proportional to 28,706.46, 39,615.45 and 15,960.70 is: 22,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.46 : 39,615.45 = 15,960.70 : x
  2. Step 2: Convert to fraction form
    28,706.46/39,615.45 = 15,960.70/x
  3. Step 3: Cross multiply
    28,706.46x = 39,615.45 × 15,960.70
  4. Step 4: Simplify right side
    28,706.46x = 632,290,233.01
  5. Step 5: Solve for x
    x = 632,290,233.01/28,706.46
  6. Step 6: Final answer
    x = 22,026.06

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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.