Home / 15,827.20-23,740.80-13,292.80

Finding the Fourth Proportional to 15,827.20, 23,740.80 and 13,292.80

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Solution

The fourth proportional to 15,827.20, 23,740.80 and 13,292.80 is: 19,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.20 : 23,740.80 = 13,292.80 : x
  2. Step 2: Convert to fraction form
    15,827.20/23,740.80 = 13,292.80/x
  3. Step 3: Cross multiply
    15,827.20x = 23,740.80 × 13,292.80
  4. Step 4: Simplify right side
    15,827.20x = 315,581,706.24
  5. Step 5: Solve for x
    x = 315,581,706.24/15,827.20
  6. Step 6: Final answer
    x = 19,939.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.