Home / 28,032.53-42,047.87-11,387.64

Finding the Fourth Proportional to 28,032.53, 42,047.87 and 11,387.64

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Solution

The fourth proportional to 28,032.53, 42,047.87 and 11,387.64 is: 17,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.53 : 42,047.87 = 11,387.64 : x
  2. Step 2: Convert to fraction form
    28,032.53/42,047.87 = 11,387.64/x
  3. Step 3: Cross multiply
    28,032.53x = 42,047.87 × 11,387.64
  4. Step 4: Simplify right side
    28,032.53x = 478,825,949.39
  5. Step 5: Solve for x
    x = 478,825,949.39/28,032.53
  6. Step 6: Final answer
    x = 17,081.09

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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.