Home / 17,820.95-26,729.85-5,343.75

Finding the Fourth Proportional to 17,820.95, 26,729.85 and 5,343.75

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Solution

The fourth proportional to 17,820.95, 26,729.85 and 5,343.75 is: 8,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.95 : 26,729.85 = 5,343.75 : x
  2. Step 2: Convert to fraction form
    17,820.95/26,729.85 = 5,343.75/x
  3. Step 3: Cross multiply
    17,820.95x = 26,729.85 × 5,343.75
  4. Step 4: Simplify right side
    17,820.95x = 142,837,635.94
  5. Step 5: Solve for x
    x = 142,837,635.94/17,820.95
  6. Step 6: Final answer
    x = 8,015.15

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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.