Home / 26,109.08-39,164.98-7,390.48

Finding the Fourth Proportional to 26,109.08, 39,164.98 and 7,390.48

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Solution

The fourth proportional to 26,109.08, 39,164.98 and 7,390.48 is: 11,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.08 : 39,164.98 = 7,390.48 : x
  2. Step 2: Convert to fraction form
    26,109.08/39,164.98 = 7,390.48/x
  3. Step 3: Cross multiply
    26,109.08x = 39,164.98 × 7,390.48
  4. Step 4: Simplify right side
    26,109.08x = 289,448,001.39
  5. Step 5: Solve for x
    x = 289,448,001.39/26,109.08
  6. Step 6: Final answer
    x = 11,086.10

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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.