Home / 36,426.56-54,634.40-10,128.56

Finding the Fourth Proportional to 36,426.56, 54,634.40 and 10,128.56

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Solution

The fourth proportional to 36,426.56, 54,634.40 and 10,128.56 is: 15,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426.56 : 54,634.40 = 10,128.56 : x
  2. Step 2: Convert to fraction form
    36,426.56/54,634.40 = 10,128.56/x
  3. Step 3: Cross multiply
    36,426.56x = 54,634.40 × 10,128.56
  4. Step 4: Simplify right side
    36,426.56x = 553,367,798.46
  5. Step 5: Solve for x
    x = 553,367,798.46/36,426.56
  6. Step 6: Final answer
    x = 15,191.33

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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.