Home / 19,261.72-28,890.51-13,061.53

Finding the Fourth Proportional to 19,261.72, 28,890.51 and 13,061.53

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Solution

The fourth proportional to 19,261.72, 28,890.51 and 13,061.53 is: 19,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.72 : 28,890.51 = 13,061.53 : x
  2. Step 2: Convert to fraction form
    19,261.72/28,890.51 = 13,061.53/x
  3. Step 3: Cross multiply
    19,261.72x = 28,890.51 × 13,061.53
  4. Step 4: Simplify right side
    19,261.72x = 377,354,263.08
  5. Step 5: Solve for x
    x = 377,354,263.08/19,261.72
  6. Step 6: Final answer
    x = 19,590.89

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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.