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Finding the Fourth Proportional to 35,287.69, 52,953.48 and 21,986.80

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Solution

The fourth proportional to 35,287.69, 52,953.48 and 21,986.80 is: 32,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,287.69 : 52,953.48 = 21,986.80 : x
  2. Step 2: Convert to fraction form
    35,287.69/52,953.48 = 21,986.80/x
  3. Step 3: Cross multiply
    35,287.69x = 52,953.48 × 21,986.80
  4. Step 4: Simplify right side
    35,287.69x = 1,164,277,574.06
  5. Step 5: Solve for x
    x = 1,164,277,574.06/35,287.69
  6. Step 6: Final answer
    x = 32,993.87

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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.