Home / 28,535.26-42,802.88-7,758.76

Finding the Fourth Proportional to 28,535.26, 42,802.88 and 7,758.76

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Solution

The fourth proportional to 28,535.26, 42,802.88 and 7,758.76 is: 11,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.26 : 42,802.88 = 7,758.76 : x
  2. Step 2: Convert to fraction form
    28,535.26/42,802.88 = 7,758.76/x
  3. Step 3: Cross multiply
    28,535.26x = 42,802.88 × 7,758.76
  4. Step 4: Simplify right side
    28,535.26x = 332,097,273.23
  5. Step 5: Solve for x
    x = 332,097,273.23/28,535.26
  6. Step 6: Final answer
    x = 11,638.14

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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.