Home / 22,620-31,219.20-17,829.12

Finding the Fourth Proportional to 22,620, 31,219.20 and 17,829.12

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Solution

The fourth proportional to 22,620, 31,219.20 and 17,829.12 is: 24,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620 : 31,219.20 = 17,829.12 : x
  2. Step 2: Convert to fraction form
    22,620/31,219.20 = 17,829.12/x
  3. Step 3: Cross multiply
    22,620x = 31,219.20 × 17,829.12
  4. Step 4: Simplify right side
    22,620x = 556,610,863.10
  5. Step 5: Solve for x
    x = 556,610,863.10/22,620
  6. Step 6: Final answer
    x = 24,607.02

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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.