Home / 21,045.44-29,023.74-16,258.19

Finding the Fourth Proportional to 21,045.44, 29,023.74 and 16,258.19

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Solution

The fourth proportional to 21,045.44, 29,023.74 and 16,258.19 is: 22,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,045.44 : 29,023.74 = 16,258.19 : x
  2. Step 2: Convert to fraction form
    21,045.44/29,023.74 = 16,258.19/x
  3. Step 3: Cross multiply
    21,045.44x = 29,023.74 × 16,258.19
  4. Step 4: Simplify right side
    21,045.44x = 471,873,334.31
  5. Step 5: Solve for x
    x = 471,873,334.31/21,045.44
  6. Step 6: Final answer
    x = 22,421.64

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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.