Home / 23,020.47-31,769.54-15,350.50

Finding the Fourth Proportional to 23,020.47, 31,769.54 and 15,350.50

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Solution

The fourth proportional to 23,020.47, 31,769.54 and 15,350.50 is: 21,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.47 : 31,769.54 = 15,350.50 : x
  2. Step 2: Convert to fraction form
    23,020.47/31,769.54 = 15,350.50/x
  3. Step 3: Cross multiply
    23,020.47x = 31,769.54 × 15,350.50
  4. Step 4: Simplify right side
    23,020.47x = 487,678,342.79
  5. Step 5: Solve for x
    x = 487,678,342.79/23,020.47
  6. Step 6: Final answer
    x = 21,184.56

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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.