Home / 21,295.63-31,901.19-10,035.55

Finding the Fourth Proportional to 21,295.63, 31,901.19 and 10,035.55

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Solution

The fourth proportional to 21,295.63, 31,901.19 and 10,035.55 is: 15,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.63 : 31,901.19 = 10,035.55 : x
  2. Step 2: Convert to fraction form
    21,295.63/31,901.19 = 10,035.55/x
  3. Step 3: Cross multiply
    21,295.63x = 31,901.19 × 10,035.55
  4. Step 4: Simplify right side
    21,295.63x = 320,145,987.30
  5. Step 5: Solve for x
    x = 320,145,987.30/21,295.63
  6. Step 6: Final answer
    x = 15,033.41

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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.