Home / 77,022.28-115,539.90-27,097.12

Finding the Fourth Proportional to 77,022.28, 115,539.90 and 27,097.12

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Solution

The fourth proportional to 77,022.28, 115,539.90 and 27,097.12 is: 40,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.28 : 115,539.90 = 27,097.12 : x
  2. Step 2: Convert to fraction form
    77,022.28/115,539.90 = 27,097.12/x
  3. Step 3: Cross multiply
    77,022.28x = 115,539.90 × 27,097.12
  4. Step 4: Simplify right side
    77,022.28x = 3,130,798,535.09
  5. Step 5: Solve for x
    x = 3,130,798,535.09/77,022.28
  6. Step 6: Final answer
    x = 40,647.96

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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.