Home / 26,881.79-40,258.55-15,613.26

Finding the Fourth Proportional to 26,881.79, 40,258.55 and 15,613.26

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Solution

The fourth proportional to 26,881.79, 40,258.55 and 15,613.26 is: 23,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.79 : 40,258.55 = 15,613.26 : x
  2. Step 2: Convert to fraction form
    26,881.79/40,258.55 = 15,613.26/x
  3. Step 3: Cross multiply
    26,881.79x = 40,258.55 × 15,613.26
  4. Step 4: Simplify right side
    26,881.79x = 628,567,130.31
  5. Step 5: Solve for x
    x = 628,567,130.31/26,881.79
  6. Step 6: Final answer
    x = 23,382.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.