Home / 36,292.80-54,439.20-15,518.40

Finding the Fourth Proportional to 36,292.80, 54,439.20 and 15,518.40

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Solution

The fourth proportional to 36,292.80, 54,439.20 and 15,518.40 is: 23,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,292.80 : 54,439.20 = 15,518.40 : x
  2. Step 2: Convert to fraction form
    36,292.80/54,439.20 = 15,518.40/x
  3. Step 3: Cross multiply
    36,292.80x = 54,439.20 × 15,518.40
  4. Step 4: Simplify right side
    36,292.80x = 844,809,281.28
  5. Step 5: Solve for x
    x = 844,809,281.28/36,292.80
  6. Step 6: Final answer
    x = 23,277.60

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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.