Home / 52,322.64-78,475.32-15,378

Finding the Fourth Proportional to 52,322.64, 78,475.32 and 15,378

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Solution

The fourth proportional to 52,322.64, 78,475.32 and 15,378 is: 23,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,322.64 : 78,475.32 = 15,378 : x
  2. Step 2: Convert to fraction form
    52,322.64/78,475.32 = 15,378/x
  3. Step 3: Cross multiply
    52,322.64x = 78,475.32 × 15,378
  4. Step 4: Simplify right side
    52,322.64x = 1,206,793,470.96
  5. Step 5: Solve for x
    x = 1,206,793,470.96/52,322.64
  6. Step 6: Final answer
    x = 23,064.46

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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.