Home / 28,779.59-43,154.19-9,052.85

Finding the Fourth Proportional to 28,779.59, 43,154.19 and 9,052.85

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Solution

The fourth proportional to 28,779.59, 43,154.19 and 9,052.85 is: 13,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.59 : 43,154.19 = 9,052.85 : x
  2. Step 2: Convert to fraction form
    28,779.59/43,154.19 = 9,052.85/x
  3. Step 3: Cross multiply
    28,779.59x = 43,154.19 × 9,052.85
  4. Step 4: Simplify right side
    28,779.59x = 390,668,193.17
  5. Step 5: Solve for x
    x = 390,668,193.17/28,779.59
  6. Step 6: Final answer
    x = 13,574.49

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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.