Home / 52,438.80-72,363.36-28,565.36

Finding the Fourth Proportional to 52,438.80, 72,363.36 and 28,565.36

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Solution

The fourth proportional to 52,438.80, 72,363.36 and 28,565.36 is: 39,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.80 : 72,363.36 = 28,565.36 : x
  2. Step 2: Convert to fraction form
    52,438.80/72,363.36 = 28,565.36/x
  3. Step 3: Cross multiply
    52,438.80x = 72,363.36 × 28,565.36
  4. Step 4: Simplify right side
    52,438.80x = 2,067,085,429.21
  5. Step 5: Solve for x
    x = 2,067,085,429.21/52,438.80
  6. Step 6: Final answer
    x = 39,419.01

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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.