Home / 28,008.54-42,016.91-10,240.07

Finding the Fourth Proportional to 28,008.54, 42,016.91 and 10,240.07

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Solution

The fourth proportional to 28,008.54, 42,016.91 and 10,240.07 is: 15,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.54 : 42,016.91 = 10,240.07 : x
  2. Step 2: Convert to fraction form
    28,008.54/42,016.91 = 10,240.07/x
  3. Step 3: Cross multiply
    28,008.54x = 42,016.91 × 10,240.07
  4. Step 4: Simplify right side
    28,008.54x = 430,255,838.30
  5. Step 5: Solve for x
    x = 430,255,838.30/28,008.54
  6. Step 6: Final answer
    x = 15,361.59

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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.