Home / 20,730.47-28,582.47-17,538.26

Finding the Fourth Proportional to 20,730.47, 28,582.47 and 17,538.26

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Solution

The fourth proportional to 20,730.47, 28,582.47 and 17,538.26 is: 24,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.47 : 28,582.47 = 17,538.26 : x
  2. Step 2: Convert to fraction form
    20,730.47/28,582.47 = 17,538.26/x
  3. Step 3: Cross multiply
    20,730.47x = 28,582.47 × 17,538.26
  4. Step 4: Simplify right side
    20,730.47x = 501,286,647.39
  5. Step 5: Solve for x
    x = 501,286,647.39/20,730.47
  6. Step 6: Final answer
    x = 24,181.16

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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.