Home / 28,169.94-42,242.13-10,627.32

Finding the Fourth Proportional to 28,169.94, 42,242.13 and 10,627.32

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Solution

The fourth proportional to 28,169.94, 42,242.13 and 10,627.32 is: 15,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.94 : 42,242.13 = 10,627.32 : x
  2. Step 2: Convert to fraction form
    28,169.94/42,242.13 = 10,627.32/x
  3. Step 3: Cross multiply
    28,169.94x = 42,242.13 × 10,627.32
  4. Step 4: Simplify right side
    28,169.94x = 448,920,632.99
  5. Step 5: Solve for x
    x = 448,920,632.99/28,169.94
  6. Step 6: Final answer
    x = 15,936.16

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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.