Home / 26,726.78-40,114.92-13,588.58

Finding the Fourth Proportional to 26,726.78, 40,114.92 and 13,588.58

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Solution

The fourth proportional to 26,726.78, 40,114.92 and 13,588.58 is: 20,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726.78 : 40,114.92 = 13,588.58 : x
  2. Step 2: Convert to fraction form
    26,726.78/40,114.92 = 13,588.58/x
  3. Step 3: Cross multiply
    26,726.78x = 40,114.92 × 13,588.58
  4. Step 4: Simplify right side
    26,726.78x = 545,104,799.61
  5. Step 5: Solve for x
    x = 545,104,799.61/26,726.78
  6. Step 6: Final answer
    x = 20,395.45

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1.5x scale

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.