Home / 26,530.47-36,617.25-15,207.55

Finding the Fourth Proportional to 26,530.47, 36,617.25 and 15,207.55

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Solution

The fourth proportional to 26,530.47, 36,617.25 and 15,207.55 is: 20,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.47 : 36,617.25 = 15,207.55 : x
  2. Step 2: Convert to fraction form
    26,530.47/36,617.25 = 15,207.55/x
  3. Step 3: Cross multiply
    26,530.47x = 36,617.25 × 15,207.55
  4. Step 4: Simplify right side
    26,530.47x = 556,858,660.24
  5. Step 5: Solve for x
    x = 556,858,660.24/26,530.47
  6. Step 6: Final answer
    x = 20,989.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.