Home / 22,792.80-34,209.45-13,421.10

Finding the Fourth Proportional to 22,792.80, 34,209.45 and 13,421.10

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Solution

The fourth proportional to 22,792.80, 34,209.45 and 13,421.10 is: 20,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.80 : 34,209.45 = 13,421.10 : x
  2. Step 2: Convert to fraction form
    22,792.80/34,209.45 = 13,421.10/x
  3. Step 3: Cross multiply
    22,792.80x = 34,209.45 × 13,421.10
  4. Step 4: Simplify right side
    22,792.80x = 459,128,449.40
  5. Step 5: Solve for x
    x = 459,128,449.40/22,792.80
  6. Step 6: Final answer
    x = 20,143.57

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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.