Home / 28,829.03-43,248.08-7,769.88

Finding the Fourth Proportional to 28,829.03, 43,248.08 and 7,769.88

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Solution

The fourth proportional to 28,829.03, 43,248.08 and 7,769.88 is: 11,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.03 : 43,248.08 = 7,769.88 : x
  2. Step 2: Convert to fraction form
    28,829.03/43,248.08 = 7,769.88/x
  3. Step 3: Cross multiply
    28,829.03x = 43,248.08 × 7,769.88
  4. Step 4: Simplify right side
    28,829.03x = 336,032,352.98
  5. Step 5: Solve for x
    x = 336,032,352.98/28,829.03
  6. Step 6: Final answer
    x = 11,656.04

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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.