Home / 26,888.80-40,430.40-26,305.60

Finding the Fourth Proportional to 26,888.80, 40,430.40 and 26,305.60

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Solution

The fourth proportional to 26,888.80, 40,430.40 and 26,305.60 is: 39,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.80 : 40,430.40 = 26,305.60 : x
  2. Step 2: Convert to fraction form
    26,888.80/40,430.40 = 26,305.60/x
  3. Step 3: Cross multiply
    26,888.80x = 40,430.40 × 26,305.60
  4. Step 4: Simplify right side
    26,888.80x = 1,063,545,930.24
  5. Step 5: Solve for x
    x = 1,063,545,930.24/26,888.80
  6. Step 6: Final answer
    x = 39,553.49

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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.