Home / 26,808.75-40,172.10-14,330.55

Finding the Fourth Proportional to 26,808.75, 40,172.10 and 14,330.55

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Solution

The fourth proportional to 26,808.75, 40,172.10 and 14,330.55 is: 21,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.75 : 40,172.10 = 14,330.55 : x
  2. Step 2: Convert to fraction form
    26,808.75/40,172.10 = 14,330.55/x
  3. Step 3: Cross multiply
    26,808.75x = 40,172.10 × 14,330.55
  4. Step 4: Simplify right side
    26,808.75x = 575,688,287.66
  5. Step 5: Solve for x
    x = 575,688,287.66/26,808.75
  6. Step 6: Final answer
    x = 21,473.90

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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.