Home / 52,747.07-72,788.22-28,869.21

Finding the Fourth Proportional to 52,747.07, 72,788.22 and 28,869.21

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Solution

The fourth proportional to 52,747.07, 72,788.22 and 28,869.21 is: 39,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.07 : 72,788.22 = 28,869.21 : x
  2. Step 2: Convert to fraction form
    52,747.07/72,788.22 = 28,869.21/x
  3. Step 3: Cross multiply
    52,747.07x = 72,788.22 × 28,869.21
  4. Step 4: Simplify right side
    52,747.07x = 2,101,338,408.71
  5. Step 5: Solve for x
    x = 2,101,338,408.71/52,747.07
  6. Step 6: Final answer
    x = 39,838.02

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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.