Home / 15,242.80-22,864.20-15,145.60

Finding the Fourth Proportional to 15,242.80, 22,864.20 and 15,145.60

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Solution

The fourth proportional to 15,242.80, 22,864.20 and 15,145.60 is: 22,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.80 : 22,864.20 = 15,145.60 : x
  2. Step 2: Convert to fraction form
    15,242.80/22,864.20 = 15,145.60/x
  3. Step 3: Cross multiply
    15,242.80x = 22,864.20 × 15,145.60
  4. Step 4: Simplify right side
    15,242.80x = 346,292,027.52
  5. Step 5: Solve for x
    x = 346,292,027.52/15,242.80
  6. Step 6: Final answer
    x = 22,718.40

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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.