Home / 57,774.74-86,632.94-28,148.18

Finding the Fourth Proportional to 57,774.74, 86,632.94 and 28,148.18

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Solution

The fourth proportional to 57,774.74, 86,632.94 and 28,148.18 is: 42,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.74 : 86,632.94 = 28,148.18 : x
  2. Step 2: Convert to fraction form
    57,774.74/86,632.94 = 28,148.18/x
  3. Step 3: Cross multiply
    57,774.74x = 86,632.94 × 28,148.18
  4. Step 4: Simplify right side
    57,774.74x = 2,438,559,015.14
  5. Step 5: Solve for x
    x = 2,438,559,015.14/57,774.74
  6. Step 6: Final answer
    x = 42,208.05

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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.