Home / 19,404.27-26,778.13-10,905.89

Finding the Fourth Proportional to 19,404.27, 26,778.13 and 10,905.89

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Solution

The fourth proportional to 19,404.27, 26,778.13 and 10,905.89 is: 15,050.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.27 : 26,778.13 = 10,905.89 : x
  2. Step 2: Convert to fraction form
    19,404.27/26,778.13 = 10,905.89/x
  3. Step 3: Cross multiply
    19,404.27x = 26,778.13 × 10,905.89
  4. Step 4: Simplify right side
    19,404.27x = 292,039,279.45
  5. Step 5: Solve for x
    x = 292,039,279.45/19,404.27
  6. Step 6: Final answer
    x = 15,050.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.