Home / 21,708.80-32,541.60-10,001.60

Finding the Fourth Proportional to 21,708.80, 32,541.60 and 10,001.60

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Solution

The fourth proportional to 21,708.80, 32,541.60 and 10,001.60 is: 14,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.80 : 32,541.60 = 10,001.60 : x
  2. Step 2: Convert to fraction form
    21,708.80/32,541.60 = 10,001.60/x
  3. Step 3: Cross multiply
    21,708.80x = 32,541.60 × 10,001.60
  4. Step 4: Simplify right side
    21,708.80x = 325,468,066.56
  5. Step 5: Solve for x
    x = 325,468,066.56/21,708.80
  6. Step 6: Final answer
    x = 14,992.45

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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.