Home / 26,662.95-39,980.75-15,591.26

Finding the Fourth Proportional to 26,662.95, 39,980.75 and 15,591.26

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Solution

The fourth proportional to 26,662.95, 39,980.75 and 15,591.26 is: 23,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.95 : 39,980.75 = 15,591.26 : x
  2. Step 2: Convert to fraction form
    26,662.95/39,980.75 = 15,591.26/x
  3. Step 3: Cross multiply
    26,662.95x = 39,980.75 × 15,591.26
  4. Step 4: Simplify right side
    26,662.95x = 623,350,290.24
  5. Step 5: Solve for x
    x = 623,350,290.24/26,662.95
  6. Step 6: Final answer
    x = 23,378.89

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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.