Home / 25,521.21-38,209.92-19,261.32

Finding the Fourth Proportional to 25,521.21, 38,209.92 and 19,261.32

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Solution

The fourth proportional to 25,521.21, 38,209.92 and 19,261.32 is: 28,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.21 : 38,209.92 = 19,261.32 : x
  2. Step 2: Convert to fraction form
    25,521.21/38,209.92 = 19,261.32/x
  3. Step 3: Cross multiply
    25,521.21x = 38,209.92 × 19,261.32
  4. Step 4: Simplify right side
    25,521.21x = 735,973,496.29
  5. Step 5: Solve for x
    x = 735,973,496.29/25,521.21
  6. Step 6: Final answer
    x = 28,837.72

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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.