Home / 28,387.54-39,171.87-17,483.94

Finding the Fourth Proportional to 28,387.54, 39,171.87 and 17,483.94

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Solution

The fourth proportional to 28,387.54, 39,171.87 and 17,483.94 is: 24,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387.54 : 39,171.87 = 17,483.94 : x
  2. Step 2: Convert to fraction form
    28,387.54/39,171.87 = 17,483.94/x
  3. Step 3: Cross multiply
    28,387.54x = 39,171.87 × 17,483.94
  4. Step 4: Simplify right side
    28,387.54x = 684,878,559.20
  5. Step 5: Solve for x
    x = 684,878,559.20/28,387.54
  6. Step 6: Final answer
    x = 24,126.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.