Home / 29,017.75-43,459.12-28,219.60

Finding the Fourth Proportional to 29,017.75, 43,459.12 and 28,219.60

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Solution

The fourth proportional to 29,017.75, 43,459.12 and 28,219.60 is: 42,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.75 : 43,459.12 = 28,219.60 : x
  2. Step 2: Convert to fraction form
    29,017.75/43,459.12 = 28,219.60/x
  3. Step 3: Cross multiply
    29,017.75x = 43,459.12 × 28,219.60
  4. Step 4: Simplify right side
    29,017.75x = 1,226,398,982.75
  5. Step 5: Solve for x
    x = 1,226,398,982.75/29,017.75
  6. Step 6: Final answer
    x = 42,263.75

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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.