Home / 27,779.45-41,660.52-9,307.13

Finding the Fourth Proportional to 27,779.45, 41,660.52 and 9,307.13

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Solution

The fourth proportional to 27,779.45, 41,660.52 and 9,307.13 is: 13,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,779.45 : 41,660.52 = 9,307.13 : x
  2. Step 2: Convert to fraction form
    27,779.45/41,660.52 = 9,307.13/x
  3. Step 3: Cross multiply
    27,779.45x = 41,660.52 × 9,307.13
  4. Step 4: Simplify right side
    27,779.45x = 387,739,667.21
  5. Step 5: Solve for x
    x = 387,739,667.21/27,779.45
  6. Step 6: Final answer
    x = 13,957.79

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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.