Home / 77,347.15-116,004.01-27,428.87

Finding the Fourth Proportional to 77,347.15, 116,004.01 and 27,428.87

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Solution

The fourth proportional to 77,347.15, 116,004.01 and 27,428.87 is: 41,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,347.15 : 116,004.01 = 27,428.87 : x
  2. Step 2: Convert to fraction form
    77,347.15/116,004.01 = 27,428.87/x
  3. Step 3: Cross multiply
    77,347.15x = 116,004.01 × 27,428.87
  4. Step 4: Simplify right side
    77,347.15x = 3,181,858,909.77
  5. Step 5: Solve for x
    x = 3,181,858,909.77/77,347.15
  6. Step 6: Final answer
    x = 41,137.38

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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.