Home / 26,716.32-36,871.29-15,386.22

Finding the Fourth Proportional to 26,716.32, 36,871.29 and 15,386.22

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Solution

The fourth proportional to 26,716.32, 36,871.29 and 15,386.22 is: 21,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.32 : 36,871.29 = 15,386.22 : x
  2. Step 2: Convert to fraction form
    26,716.32/36,871.29 = 15,386.22/x
  3. Step 3: Cross multiply
    26,716.32x = 36,871.29 × 15,386.22
  4. Step 4: Simplify right side
    26,716.32x = 567,309,779.62
  5. Step 5: Solve for x
    x = 567,309,779.62/26,716.32
  6. Step 6: Final answer
    x = 21,234.58

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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.