Home / 26,685.68-39,973.16-15,558.62

Finding the Fourth Proportional to 26,685.68, 39,973.16 and 15,558.62

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Solution

The fourth proportional to 26,685.68, 39,973.16 and 15,558.62 is: 23,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.68 : 39,973.16 = 15,558.62 : x
  2. Step 2: Convert to fraction form
    26,685.68/39,973.16 = 15,558.62/x
  3. Step 3: Cross multiply
    26,685.68x = 39,973.16 × 15,558.62
  4. Step 4: Simplify right side
    26,685.68x = 621,927,078.88
  5. Step 5: Solve for x
    x = 621,927,078.88/26,685.68
  6. Step 6: Final answer
    x = 23,305.65

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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.