Home / 26,407.65-39,609.55-9,759.92

Finding the Fourth Proportional to 26,407.65, 39,609.55 and 9,759.92

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Solution

The fourth proportional to 26,407.65, 39,609.55 and 9,759.92 is: 14,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.65 : 39,609.55 = 9,759.92 : x
  2. Step 2: Convert to fraction form
    26,407.65/39,609.55 = 9,759.92/x
  3. Step 3: Cross multiply
    26,407.65x = 39,609.55 × 9,759.92
  4. Step 4: Simplify right side
    26,407.65x = 386,586,039.24
  5. Step 5: Solve for x
    x = 386,586,039.24/26,407.65
  6. Step 6: Final answer
    x = 14,639.17

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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.