Home / 25,521.72-38,210.66-19,261.82

Finding the Fourth Proportional to 25,521.72, 38,210.66 and 19,261.82

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Solution

The fourth proportional to 25,521.72, 38,210.66 and 19,261.82 is: 28,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.72 : 38,210.66 = 19,261.82 : x
  2. Step 2: Convert to fraction form
    25,521.72/38,210.66 = 19,261.82/x
  3. Step 3: Cross multiply
    25,521.72x = 38,210.66 × 19,261.82
  4. Step 4: Simplify right side
    25,521.72x = 736,006,855.00
  5. Step 5: Solve for x
    x = 736,006,855.00/25,521.72
  6. Step 6: Final answer
    x = 28,838.45

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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.