Home / 28,529.04-42,793.68-7,752.72

Finding the Fourth Proportional to 28,529.04, 42,793.68 and 7,752.72

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Solution

The fourth proportional to 28,529.04, 42,793.68 and 7,752.72 is: 11,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.04 : 42,793.68 = 7,752.72 : x
  2. Step 2: Convert to fraction form
    28,529.04/42,793.68 = 7,752.72/x
  3. Step 3: Cross multiply
    28,529.04x = 42,793.68 × 7,752.72
  4. Step 4: Simplify right side
    28,529.04x = 331,767,418.81
  5. Step 5: Solve for x
    x = 331,767,418.81/28,529.04
  6. Step 6: Final answer
    x = 11,629.11

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1.5x scale

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.