Home / 26,395.67-36,437.97-15,642.29

Finding the Fourth Proportional to 26,395.67, 36,437.97 and 15,642.29

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Solution

The fourth proportional to 26,395.67, 36,437.97 and 15,642.29 is: 21,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.67 : 36,437.97 = 15,642.29 : x
  2. Step 2: Convert to fraction form
    26,395.67/36,437.97 = 15,642.29/x
  3. Step 3: Cross multiply
    26,395.67x = 36,437.97 × 15,642.29
  4. Step 4: Simplify right side
    26,395.67x = 569,973,111.56
  5. Step 5: Solve for x
    x = 569,973,111.56/26,395.67
  6. Step 6: Final answer
    x = 21,593.44

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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.