Home / 28,011.47-42,016.34-11,371.10

Finding the Fourth Proportional to 28,011.47, 42,016.34 and 11,371.10

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Solution

The fourth proportional to 28,011.47, 42,016.34 and 11,371.10 is: 17,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.47 : 42,016.34 = 11,371.10 : x
  2. Step 2: Convert to fraction form
    28,011.47/42,016.34 = 11,371.10/x
  3. Step 3: Cross multiply
    28,011.47x = 42,016.34 × 11,371.10
  4. Step 4: Simplify right side
    28,011.47x = 477,771,736.84
  5. Step 5: Solve for x
    x = 477,771,736.84/28,011.47
  6. Step 6: Final answer
    x = 17,056.29

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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.