Home / 28,016.28-42,030.57-8,296.38

Finding the Fourth Proportional to 28,016.28, 42,030.57 and 8,296.38

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Solution

The fourth proportional to 28,016.28, 42,030.57 and 8,296.38 is: 12,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.28 : 42,030.57 = 8,296.38 : x
  2. Step 2: Convert to fraction form
    28,016.28/42,030.57 = 8,296.38/x
  3. Step 3: Cross multiply
    28,016.28x = 42,030.57 × 8,296.38
  4. Step 4: Simplify right side
    28,016.28x = 348,701,580.34
  5. Step 5: Solve for x
    x = 348,701,580.34/28,016.28
  6. Step 6: Final answer
    x = 12,446.39

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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.