Home / 27,998.32-42,004.70-10,468.28

Finding the Fourth Proportional to 27,998.32, 42,004.70 and 10,468.28

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Solution

The fourth proportional to 27,998.32, 42,004.70 and 10,468.28 is: 15,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.32 : 42,004.70 = 10,468.28 : x
  2. Step 2: Convert to fraction form
    27,998.32/42,004.70 = 10,468.28/x
  3. Step 3: Cross multiply
    27,998.32x = 42,004.70 × 10,468.28
  4. Step 4: Simplify right side
    27,998.32x = 439,716,960.92
  5. Step 5: Solve for x
    x = 439,716,960.92/27,998.32
  6. Step 6: Final answer
    x = 15,705.12

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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.