Home / 23,986.30-33,111.33-15,038.90

Finding the Fourth Proportional to 23,986.30, 33,111.33 and 15,038.90

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Solution

The fourth proportional to 23,986.30, 33,111.33 and 15,038.90 is: 20,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.30 : 33,111.33 = 15,038.90 : x
  2. Step 2: Convert to fraction form
    23,986.30/33,111.33 = 15,038.90/x
  3. Step 3: Cross multiply
    23,986.30x = 33,111.33 × 15,038.90
  4. Step 4: Simplify right side
    23,986.30x = 497,957,980.74
  5. Step 5: Solve for x
    x = 497,957,980.74/23,986.30
  6. Step 6: Final answer
    x = 20,760.10

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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.