Home / 52,763.47-72,813.57-28,890.14

Finding the Fourth Proportional to 52,763.47, 72,813.57 and 28,890.14

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Solution

The fourth proportional to 52,763.47, 72,813.57 and 28,890.14 is: 39,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.47 : 72,813.57 = 28,890.14 : x
  2. Step 2: Convert to fraction form
    52,763.47/72,813.57 = 28,890.14/x
  3. Step 3: Cross multiply
    52,763.47x = 72,813.57 × 28,890.14
  4. Step 4: Simplify right side
    52,763.47x = 2,103,594,231.20
  5. Step 5: Solve for x
    x = 2,103,594,231.20/52,763.47
  6. Step 6: Final answer
    x = 39,868.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.