Home / 26,435.68-39,640.96-15,345.77

Finding the Fourth Proportional to 26,435.68, 39,640.96 and 15,345.77

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Solution

The fourth proportional to 26,435.68, 39,640.96 and 15,345.77 is: 23,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.68 : 39,640.96 = 15,345.77 : x
  2. Step 2: Convert to fraction form
    26,435.68/39,640.96 = 15,345.77/x
  3. Step 3: Cross multiply
    26,435.68x = 39,640.96 × 15,345.77
  4. Step 4: Simplify right side
    26,435.68x = 608,321,054.74
  5. Step 5: Solve for x
    x = 608,321,054.74/26,435.68
  6. Step 6: Final answer
    x = 23,011.36

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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.