Home / 23,000.18-31,667.48-20,898.02

Finding the Fourth Proportional to 23,000.18, 31,667.48 and 20,898.02

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Solution

The fourth proportional to 23,000.18, 31,667.48 and 20,898.02 is: 28,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.18 : 31,667.48 = 20,898.02 : x
  2. Step 2: Convert to fraction form
    23,000.18/31,667.48 = 20,898.02/x
  3. Step 3: Cross multiply
    23,000.18x = 31,667.48 × 20,898.02
  4. Step 4: Simplify right side
    23,000.18x = 661,787,630.39
  5. Step 5: Solve for x
    x = 661,787,630.39/23,000.18
  6. Step 6: Final answer
    x = 28,773.15

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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.