Home / 26,815.78-37,004.36-14,878.81

Finding the Fourth Proportional to 26,815.78, 37,004.36 and 14,878.81

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Solution

The fourth proportional to 26,815.78, 37,004.36 and 14,878.81 is: 20,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.78 : 37,004.36 = 14,878.81 : x
  2. Step 2: Convert to fraction form
    26,815.78/37,004.36 = 14,878.81/x
  3. Step 3: Cross multiply
    26,815.78x = 37,004.36 × 14,878.81
  4. Step 4: Simplify right side
    26,815.78x = 550,580,841.61
  5. Step 5: Solve for x
    x = 550,580,841.61/26,815.78
  6. Step 6: Final answer
    x = 20,531.97

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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.