Home / 23,032.59-31,784.42-15,074.64

Finding the Fourth Proportional to 23,032.59, 31,784.42 and 15,074.64

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Solution

The fourth proportional to 23,032.59, 31,784.42 and 15,074.64 is: 20,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.59 : 31,784.42 = 15,074.64 : x
  2. Step 2: Convert to fraction form
    23,032.59/31,784.42 = 15,074.64/x
  3. Step 3: Cross multiply
    23,032.59x = 31,784.42 × 15,074.64
  4. Step 4: Simplify right side
    23,032.59x = 479,138,613.74
  5. Step 5: Solve for x
    x = 479,138,613.74/23,032.59
  6. Step 6: Final answer
    x = 20,802.64

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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.