Home / 28,154.13-42,231.17-7,094.28

Finding the Fourth Proportional to 28,154.13, 42,231.17 and 7,094.28

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Solution

The fourth proportional to 28,154.13, 42,231.17 and 7,094.28 is: 10,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.13 : 42,231.17 = 7,094.28 : x
  2. Step 2: Convert to fraction form
    28,154.13/42,231.17 = 7,094.28/x
  3. Step 3: Cross multiply
    28,154.13x = 42,231.17 × 7,094.28
  4. Step 4: Simplify right side
    28,154.13x = 299,599,920.81
  5. Step 5: Solve for x
    x = 299,599,920.81/28,154.13
  6. Step 6: Final answer
    x = 10,641.42

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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.