Home / 22,820.40-34,230.60-14,947.20

Finding the Fourth Proportional to 22,820.40, 34,230.60 and 14,947.20

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Solution

The fourth proportional to 22,820.40, 34,230.60 and 14,947.20 is: 22,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.40 : 34,230.60 = 14,947.20 : x
  2. Step 2: Convert to fraction form
    22,820.40/34,230.60 = 14,947.20/x
  3. Step 3: Cross multiply
    22,820.40x = 34,230.60 × 14,947.20
  4. Step 4: Simplify right side
    22,820.40x = 511,651,624.32
  5. Step 5: Solve for x
    x = 511,651,624.32/22,820.40
  6. Step 6: Final answer
    x = 22,420.80

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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.