Home / 26,389.17-39,578.80-13,238.01

Finding the Fourth Proportional to 26,389.17, 39,578.80 and 13,238.01

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Solution

The fourth proportional to 26,389.17, 39,578.80 and 13,238.01 is: 19,854.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.17 : 39,578.80 = 13,238.01 : x
  2. Step 2: Convert to fraction form
    26,389.17/39,578.80 = 13,238.01/x
  3. Step 3: Cross multiply
    26,389.17x = 39,578.80 × 13,238.01
  4. Step 4: Simplify right side
    26,389.17x = 523,944,550.19
  5. Step 5: Solve for x
    x = 523,944,550.19/26,389.17
  6. Step 6: Final answer
    x = 19,854.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.