Home / 20,402.07-28,097.04-17,712.06

Finding the Fourth Proportional to 20,402.07, 28,097.04 and 17,712.06

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Solution

The fourth proportional to 20,402.07, 28,097.04 and 17,712.06 is: 24,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.07 : 28,097.04 = 17,712.06 : x
  2. Step 2: Convert to fraction form
    20,402.07/28,097.04 = 17,712.06/x
  3. Step 3: Cross multiply
    20,402.07x = 28,097.04 × 17,712.06
  4. Step 4: Simplify right side
    20,402.07x = 497,656,458.30
  5. Step 5: Solve for x
    x = 497,656,458.30/20,402.07
  6. Step 6: Final answer
    x = 24,392.45

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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.