Home / 26,869.60-40,128.62-22,878.28

Finding the Fourth Proportional to 26,869.60, 40,128.62 and 22,878.28

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Solution

The fourth proportional to 26,869.60, 40,128.62 and 22,878.28 is: 34,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.60 : 40,128.62 = 22,878.28 : x
  2. Step 2: Convert to fraction form
    26,869.60/40,128.62 = 22,878.28/x
  3. Step 3: Cross multiply
    26,869.60x = 40,128.62 × 22,878.28
  4. Step 4: Simplify right side
    26,869.60x = 918,073,804.37
  5. Step 5: Solve for x
    x = 918,073,804.37/26,869.60
  6. Step 6: Final answer
    x = 34,167.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.