Home / 26,530.64-36,617.48-15,207.72

Finding the Fourth Proportional to 26,530.64, 36,617.48 and 15,207.72

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Solution

The fourth proportional to 26,530.64, 36,617.48 and 15,207.72 is: 20,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.64 : 36,617.48 = 15,207.72 : x
  2. Step 2: Convert to fraction form
    26,530.64/36,617.48 = 15,207.72/x
  3. Step 3: Cross multiply
    26,530.64x = 36,617.48 × 15,207.72
  4. Step 4: Simplify right side
    26,530.64x = 556,868,382.95
  5. Step 5: Solve for x
    x = 556,868,382.95/26,530.64
  6. Step 6: Final answer
    x = 20,989.63

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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.