Home / 15,239.61-22,875.75-13,495.41

Finding the Fourth Proportional to 15,239.61, 22,875.75 and 13,495.41

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Solution

The fourth proportional to 15,239.61, 22,875.75 and 13,495.41 is: 20,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.61 : 22,875.75 = 13,495.41 : x
  2. Step 2: Convert to fraction form
    15,239.61/22,875.75 = 13,495.41/x
  3. Step 3: Cross multiply
    15,239.61x = 22,875.75 × 13,495.41
  4. Step 4: Simplify right side
    15,239.61x = 308,717,625.31
  5. Step 5: Solve for x
    x = 308,717,625.31/15,239.61
  6. Step 6: Final answer
    x = 20,257.58

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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.