Home / 52,295.28-78,476.28-19,012.15

Finding the Fourth Proportional to 52,295.28, 78,476.28 and 19,012.15

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Solution

The fourth proportional to 52,295.28, 78,476.28 and 19,012.15 is: 28,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.28 : 78,476.28 = 19,012.15 : x
  2. Step 2: Convert to fraction form
    52,295.28/78,476.28 = 19,012.15/x
  3. Step 3: Cross multiply
    52,295.28x = 78,476.28 × 19,012.15
  4. Step 4: Simplify right side
    52,295.28x = 1,492,002,806.80
  5. Step 5: Solve for x
    x = 1,492,002,806.80/52,295.28
  6. Step 6: Final answer
    x = 28,530.35

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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.