Home / 23,062.68-31,824.34-13,629.40

Finding the Fourth Proportional to 23,062.68, 31,824.34 and 13,629.40

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Solution

The fourth proportional to 23,062.68, 31,824.34 and 13,629.40 is: 18,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,062.68 : 31,824.34 = 13,629.40 : x
  2. Step 2: Convert to fraction form
    23,062.68/31,824.34 = 13,629.40/x
  3. Step 3: Cross multiply
    23,062.68x = 31,824.34 × 13,629.40
  4. Step 4: Simplify right side
    23,062.68x = 433,746,659.60
  5. Step 5: Solve for x
    x = 433,746,659.60/23,062.68
  6. Step 6: Final answer
    x = 18,807.30

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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.