Home / 21,289.08-31,933.59-10,041.80

Finding the Fourth Proportional to 21,289.08, 31,933.59 and 10,041.80

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Solution

The fourth proportional to 21,289.08, 31,933.59 and 10,041.80 is: 15,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289.08 : 31,933.59 = 10,041.80 : x
  2. Step 2: Convert to fraction form
    21,289.08/31,933.59 = 10,041.80/x
  3. Step 3: Cross multiply
    21,289.08x = 31,933.59 × 10,041.80
  4. Step 4: Simplify right side
    21,289.08x = 320,670,564.39
  5. Step 5: Solve for x
    x = 320,670,564.39/21,289.08
  6. Step 6: Final answer
    x = 15,062.68

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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.