Home / 26,810.12-40,215.20-18,368.30

Finding the Fourth Proportional to 26,810.12, 40,215.20 and 18,368.30

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Solution

The fourth proportional to 26,810.12, 40,215.20 and 18,368.30 is: 27,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,810.12 : 40,215.20 = 18,368.30 : x
  2. Step 2: Convert to fraction form
    26,810.12/40,215.20 = 18,368.30/x
  3. Step 3: Cross multiply
    26,810.12x = 40,215.20 × 18,368.30
  4. Step 4: Simplify right side
    26,810.12x = 738,684,858.16
  5. Step 5: Solve for x
    x = 738,684,858.16/26,810.12
  6. Step 6: Final answer
    x = 27,552.46

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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.