Home / 22,877.40-34,316.10-18,722.10

Finding the Fourth Proportional to 22,877.40, 34,316.10 and 18,722.10

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Solution

The fourth proportional to 22,877.40, 34,316.10 and 18,722.10 is: 28,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,877.40 : 34,316.10 = 18,722.10 : x
  2. Step 2: Convert to fraction form
    22,877.40/34,316.10 = 18,722.10/x
  3. Step 3: Cross multiply
    22,877.40x = 34,316.10 × 18,722.10
  4. Step 4: Simplify right side
    22,877.40x = 642,469,455.81
  5. Step 5: Solve for x
    x = 642,469,455.81/22,877.40
  6. Step 6: Final answer
    x = 28,083.15

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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.