Home / 20,335.72-28,064.07-11,262.23

Finding the Fourth Proportional to 20,335.72, 28,064.07 and 11,262.23

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Solution

The fourth proportional to 20,335.72, 28,064.07 and 11,262.23 is: 15,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.72 : 28,064.07 = 11,262.23 : x
  2. Step 2: Convert to fraction form
    20,335.72/28,064.07 = 11,262.23/x
  3. Step 3: Cross multiply
    20,335.72x = 28,064.07 × 11,262.23
  4. Step 4: Simplify right side
    20,335.72x = 316,064,011.08
  5. Step 5: Solve for x
    x = 316,064,011.08/20,335.72
  6. Step 6: Final answer
    x = 15,542.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.