Home / 26,047.44-35,931.12-15,435.12

Finding the Fourth Proportional to 26,047.44, 35,931.12 and 15,435.12

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Solution

The fourth proportional to 26,047.44, 35,931.12 and 15,435.12 is: 21,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,047.44 : 35,931.12 = 15,435.12 : x
  2. Step 2: Convert to fraction form
    26,047.44/35,931.12 = 15,435.12/x
  3. Step 3: Cross multiply
    26,047.44x = 35,931.12 × 15,435.12
  4. Step 4: Simplify right side
    26,047.44x = 554,601,148.93
  5. Step 5: Solve for x
    x = 554,601,148.93/26,047.44
  6. Step 6: Final answer
    x = 21,291.96

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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.