Home / 26,888.80-40,340.40-23,987.20

Finding the Fourth Proportional to 26,888.80, 40,340.40 and 23,987.20

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Solution

The fourth proportional to 26,888.80, 40,340.40 and 23,987.20 is: 35,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.80 : 40,340.40 = 23,987.20 : x
  2. Step 2: Convert to fraction form
    26,888.80/40,340.40 = 23,987.20/x
  3. Step 3: Cross multiply
    26,888.80x = 40,340.40 × 23,987.20
  4. Step 4: Simplify right side
    26,888.80x = 967,653,242.88
  5. Step 5: Solve for x
    x = 967,653,242.88/26,888.80
  6. Step 6: Final answer
    x = 35,987.22

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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.