Home / 26,478.93-39,657.92-12,637.65

Finding the Fourth Proportional to 26,478.93, 39,657.92 and 12,637.65

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Solution

The fourth proportional to 26,478.93, 39,657.92 and 12,637.65 is: 18,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.93 : 39,657.92 = 12,637.65 : x
  2. Step 2: Convert to fraction form
    26,478.93/39,657.92 = 12,637.65/x
  3. Step 3: Cross multiply
    26,478.93x = 39,657.92 × 12,637.65
  4. Step 4: Simplify right side
    26,478.93x = 501,182,849.50
  5. Step 5: Solve for x
    x = 501,182,849.50/26,478.93
  6. Step 6: Final answer
    x = 18,927.61

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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.