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Finding the Fourth Proportional to 35,357.57, 53,036.73 and 10,398.09

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Solution

The fourth proportional to 35,357.57, 53,036.73 and 10,398.09 is: 15,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,357.57 : 53,036.73 = 10,398.09 : x
  2. Step 2: Convert to fraction form
    35,357.57/53,036.73 = 10,398.09/x
  3. Step 3: Cross multiply
    35,357.57x = 53,036.73 × 10,398.09
  4. Step 4: Simplify right side
    35,357.57x = 551,480,691.85
  5. Step 5: Solve for x
    x = 551,480,691.85/35,357.57
  6. Step 6: Final answer
    x = 15,597.25

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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.