Home / 26,128.96-36,062.40-15,524.32

Finding the Fourth Proportional to 26,128.96, 36,062.40 and 15,524.32

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Solution

The fourth proportional to 26,128.96, 36,062.40 and 15,524.32 is: 21,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.96 : 36,062.40 = 15,524.32 : x
  2. Step 2: Convert to fraction form
    26,128.96/36,062.40 = 15,524.32/x
  3. Step 3: Cross multiply
    26,128.96x = 36,062.40 × 15,524.32
  4. Step 4: Simplify right side
    26,128.96x = 559,844,237.57
  5. Step 5: Solve for x
    x = 559,844,237.57/26,128.96
  6. Step 6: Final answer
    x = 21,426.20

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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.