Home / 26,407.56-36,443.44-15,078.90

Finding the Fourth Proportional to 26,407.56, 36,443.44 and 15,078.90

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Solution

The fourth proportional to 26,407.56, 36,443.44 and 15,078.90 is: 20,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.56 : 36,443.44 = 15,078.90 : x
  2. Step 2: Convert to fraction form
    26,407.56/36,443.44 = 15,078.90/x
  3. Step 3: Cross multiply
    26,407.56x = 36,443.44 × 15,078.90
  4. Step 4: Simplify right side
    26,407.56x = 549,526,912.02
  5. Step 5: Solve for x
    x = 549,526,912.02/26,407.56
  6. Step 6: Final answer
    x = 20,809.45

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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.