Home / 23,214.50-34,869.75-18,777.12

Finding the Fourth Proportional to 23,214.50, 34,869.75 and 18,777.12

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Solution

The fourth proportional to 23,214.50, 34,869.75 and 18,777.12 is: 28,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,214.50 : 34,869.75 = 18,777.12 : x
  2. Step 2: Convert to fraction form
    23,214.50/34,869.75 = 18,777.12/x
  3. Step 3: Cross multiply
    23,214.50x = 34,869.75 × 18,777.12
  4. Step 4: Simplify right side
    23,214.50x = 654,753,580.71
  5. Step 5: Solve for x
    x = 654,753,580.71/23,214.50
  6. Step 6: Final answer
    x = 28,204.50

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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.