Home / 52,756.87-79,143.12-15,317.25

Finding the Fourth Proportional to 52,756.87, 79,143.12 and 15,317.25

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Solution

The fourth proportional to 52,756.87, 79,143.12 and 15,317.25 is: 22,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756.87 : 79,143.12 = 15,317.25 : x
  2. Step 2: Convert to fraction form
    52,756.87/79,143.12 = 15,317.25/x
  3. Step 3: Cross multiply
    52,756.87x = 79,143.12 × 15,317.25
  4. Step 4: Simplify right side
    52,756.87x = 1,212,254,954.82
  5. Step 5: Solve for x
    x = 1,212,254,954.82/52,756.87
  6. Step 6: Final answer
    x = 22,978.14

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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.