Home / 26,555.60-39,768.60-25,389.20

Finding the Fourth Proportional to 26,555.60, 39,768.60 and 25,389.20

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Solution

The fourth proportional to 26,555.60, 39,768.60 and 25,389.20 is: 38,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.60 : 39,768.60 = 25,389.20 : x
  2. Step 2: Convert to fraction form
    26,555.60/39,768.60 = 25,389.20/x
  3. Step 3: Cross multiply
    26,555.60x = 39,768.60 × 25,389.20
  4. Step 4: Simplify right side
    26,555.60x = 1,009,692,939.12
  5. Step 5: Solve for x
    x = 1,009,692,939.12/26,555.60
  6. Step 6: Final answer
    x = 38,021.85

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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.