Home / 23,000.80-34,501.20-19,282.90

Finding the Fourth Proportional to 23,000.80, 34,501.20 and 19,282.90

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Solution

The fourth proportional to 23,000.80, 34,501.20 and 19,282.90 is: 28,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,000.80 : 34,501.20 = 19,282.90 : x
  2. Step 2: Convert to fraction form
    23,000.80/34,501.20 = 19,282.90/x
  3. Step 3: Cross multiply
    23,000.80x = 34,501.20 × 19,282.90
  4. Step 4: Simplify right side
    23,000.80x = 665,283,189.48
  5. Step 5: Solve for x
    x = 665,283,189.48/23,000.80
  6. Step 6: Final answer
    x = 28,924.35

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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.