Home / 28,600.40-42,900.60-24,237.20

Finding the Fourth Proportional to 28,600.40, 42,900.60 and 24,237.20

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Solution

The fourth proportional to 28,600.40, 42,900.60 and 24,237.20 is: 36,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.40 : 42,900.60 = 24,237.20 : x
  2. Step 2: Convert to fraction form
    28,600.40/42,900.60 = 24,237.20/x
  3. Step 3: Cross multiply
    28,600.40x = 42,900.60 × 24,237.20
  4. Step 4: Simplify right side
    28,600.40x = 1,039,790,422.32
  5. Step 5: Solve for x
    x = 1,039,790,422.32/28,600.40
  6. Step 6: Final answer
    x = 36,355.80

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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.