Home / 28,508.69-42,763.05-7,732.19

Finding the Fourth Proportional to 28,508.69, 42,763.05 and 7,732.19

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Solution

The fourth proportional to 28,508.69, 42,763.05 and 7,732.19 is: 11,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.69 : 42,763.05 = 7,732.19 : x
  2. Step 2: Convert to fraction form
    28,508.69/42,763.05 = 7,732.19/x
  3. Step 3: Cross multiply
    28,508.69x = 42,763.05 × 7,732.19
  4. Step 4: Simplify right side
    28,508.69x = 330,651,813.76
  5. Step 5: Solve for x
    x = 330,651,813.76/28,508.69
  6. Step 6: Final answer
    x = 11,598.28

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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.