Home / 28,730.53-39,649.08-17,402.14

Finding the Fourth Proportional to 28,730.53, 39,649.08 and 17,402.14

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Solution

The fourth proportional to 28,730.53, 39,649.08 and 17,402.14 is: 24,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.53 : 39,649.08 = 17,402.14 : x
  2. Step 2: Convert to fraction form
    28,730.53/39,649.08 = 17,402.14/x
  3. Step 3: Cross multiply
    28,730.53x = 39,649.08 × 17,402.14
  4. Step 4: Simplify right side
    28,730.53x = 689,978,841.03
  5. Step 5: Solve for x
    x = 689,978,841.03/28,730.53
  6. Step 6: Final answer
    x = 24,015.53

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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.