Home / 26,858.07-40,287.15-9,315.56

Finding the Fourth Proportional to 26,858.07, 40,287.15 and 9,315.56

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Solution

The fourth proportional to 26,858.07, 40,287.15 and 9,315.56 is: 13,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858.07 : 40,287.15 = 9,315.56 : x
  2. Step 2: Convert to fraction form
    26,858.07/40,287.15 = 9,315.56/x
  3. Step 3: Cross multiply
    26,858.07x = 40,287.15 × 9,315.56
  4. Step 4: Simplify right side
    26,858.07x = 375,297,463.77
  5. Step 5: Solve for x
    x = 375,297,463.77/26,858.07
  6. Step 6: Final answer
    x = 13,973.36

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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.