Home / 28,035.28-42,053.88-9,316.24

Finding the Fourth Proportional to 28,035.28, 42,053.88 and 9,316.24

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Solution

The fourth proportional to 28,035.28, 42,053.88 and 9,316.24 is: 13,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.28 : 42,053.88 = 9,316.24 : x
  2. Step 2: Convert to fraction form
    28,035.28/42,053.88 = 9,316.24/x
  3. Step 3: Cross multiply
    28,035.28x = 42,053.88 × 9,316.24
  4. Step 4: Simplify right side
    28,035.28x = 391,784,039.01
  5. Step 5: Solve for x
    x = 391,784,039.01/28,035.28
  6. Step 6: Final answer
    x = 13,974.68

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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.