Home / 36,426.54-54,639.90-10,131.28

Finding the Fourth Proportional to 36,426.54, 54,639.90 and 10,131.28

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Solution

The fourth proportional to 36,426.54, 54,639.90 and 10,131.28 is: 15,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426.54 : 54,639.90 = 10,131.28 : x
  2. Step 2: Convert to fraction form
    36,426.54/54,639.90 = 10,131.28/x
  3. Step 3: Cross multiply
    36,426.54x = 54,639.90 × 10,131.28
  4. Step 4: Simplify right side
    36,426.54x = 553,572,126.07
  5. Step 5: Solve for x
    x = 553,572,126.07/36,426.54
  6. Step 6: Final answer
    x = 15,196.95

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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.