Home / 26,988.44-40,482.38-9,218.90

Finding the Fourth Proportional to 26,988.44, 40,482.38 and 9,218.90

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Solution

The fourth proportional to 26,988.44, 40,482.38 and 9,218.90 is: 13,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.44 : 40,482.38 = 9,218.90 : x
  2. Step 2: Convert to fraction form
    26,988.44/40,482.38 = 9,218.90/x
  3. Step 3: Cross multiply
    26,988.44x = 40,482.38 × 9,218.90
  4. Step 4: Simplify right side
    26,988.44x = 373,203,137.24
  5. Step 5: Solve for x
    x = 373,203,137.24/26,988.44
  6. Step 6: Final answer
    x = 13,828.26

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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.