Home / 28,875.60-43,328.58-20,496.18

Finding the Fourth Proportional to 28,875.60, 43,328.58 and 20,496.18

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Solution

The fourth proportional to 28,875.60, 43,328.58 and 20,496.18 is: 30,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.60 : 43,328.58 = 20,496.18 : x
  2. Step 2: Convert to fraction form
    28,875.60/43,328.58 = 20,496.18/x
  3. Step 3: Cross multiply
    28,875.60x = 43,328.58 × 20,496.18
  4. Step 4: Simplify right side
    28,875.60x = 888,070,374.82
  5. Step 5: Solve for x
    x = 888,070,374.82/28,875.60
  6. Step 6: Final answer
    x = 30,755.04

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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.