Home / 28,281.80-42,422.70-26,532.20

Finding the Fourth Proportional to 28,281.80, 42,422.70 and 26,532.20

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Solution

The fourth proportional to 28,281.80, 42,422.70 and 26,532.20 is: 39,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.80 : 42,422.70 = 26,532.20 : x
  2. Step 2: Convert to fraction form
    28,281.80/42,422.70 = 26,532.20/x
  3. Step 3: Cross multiply
    28,281.80x = 42,422.70 × 26,532.20
  4. Step 4: Simplify right side
    28,281.80x = 1,125,567,560.94
  5. Step 5: Solve for x
    x = 1,125,567,560.94/28,281.80
  6. Step 6: Final answer
    x = 39,798.30

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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.