Home / 55,138.04-82,707.57-15,695.15

Finding the Fourth Proportional to 55,138.04, 82,707.57 and 15,695.15

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Solution

The fourth proportional to 55,138.04, 82,707.57 and 15,695.15 is: 23,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.04 : 82,707.57 = 15,695.15 : x
  2. Step 2: Convert to fraction form
    55,138.04/82,707.57 = 15,695.15/x
  3. Step 3: Cross multiply
    55,138.04x = 82,707.57 × 15,695.15
  4. Step 4: Simplify right side
    55,138.04x = 1,298,107,303.75
  5. Step 5: Solve for x
    x = 1,298,107,303.75/55,138.04
  6. Step 6: Final answer
    x = 23,542.86

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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.