Home / 19,051.61-28,557.93-13,491.77

Finding the Fourth Proportional to 19,051.61, 28,557.93 and 13,491.77

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Solution

The fourth proportional to 19,051.61, 28,557.93 and 13,491.77 is: 20,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.61 : 28,557.93 = 13,491.77 : x
  2. Step 2: Convert to fraction form
    19,051.61/28,557.93 = 13,491.77/x
  3. Step 3: Cross multiply
    19,051.61x = 28,557.93 × 13,491.77
  4. Step 4: Simplify right side
    19,051.61x = 385,297,023.24
  5. Step 5: Solve for x
    x = 385,297,023.24/19,051.61
  6. Step 6: Final answer
    x = 20,223.86

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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.