Home / 23,163.60-31,952.16-15,206.16

Finding the Fourth Proportional to 23,163.60, 31,952.16 and 15,206.16

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Solution

The fourth proportional to 23,163.60, 31,952.16 and 15,206.16 is: 20,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.60 : 31,952.16 = 15,206.16 : x
  2. Step 2: Convert to fraction form
    23,163.60/31,952.16 = 15,206.16/x
  3. Step 3: Cross multiply
    23,163.60x = 31,952.16 × 15,206.16
  4. Step 4: Simplify right side
    23,163.60x = 485,869,657.31
  5. Step 5: Solve for x
    x = 485,869,657.31/23,163.60
  6. Step 6: Final answer
    x = 20,975.57

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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.