Home / 52,675.20-72,689.58-28,802.70

Finding the Fourth Proportional to 52,675.20, 72,689.58 and 28,802.70

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Solution

The fourth proportional to 52,675.20, 72,689.58 and 28,802.70 is: 39,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.20 : 72,689.58 = 28,802.70 : x
  2. Step 2: Convert to fraction form
    52,675.20/72,689.58 = 28,802.70/x
  3. Step 3: Cross multiply
    52,675.20x = 72,689.58 × 28,802.70
  4. Step 4: Simplify right side
    52,675.20x = 2,093,656,165.87
  5. Step 5: Solve for x
    x = 2,093,656,165.87/52,675.20
  6. Step 6: Final answer
    x = 39,746.53

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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.