Home / 26,539.90-36,620.88-15,207.22

Finding the Fourth Proportional to 26,539.90, 36,620.88 and 15,207.22

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Solution

The fourth proportional to 26,539.90, 36,620.88 and 15,207.22 is: 20,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.90 : 36,620.88 = 15,207.22 : x
  2. Step 2: Convert to fraction form
    26,539.90/36,620.88 = 15,207.22/x
  3. Step 3: Cross multiply
    26,539.90x = 36,620.88 × 15,207.22
  4. Step 4: Simplify right side
    26,539.90x = 556,901,792.82
  5. Step 5: Solve for x
    x = 556,901,792.82/26,539.90
  6. Step 6: Final answer
    x = 20,983.57

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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.