Home / 17,824.79-26,726.35-8,929.77

Finding the Fourth Proportional to 17,824.79, 26,726.35 and 8,929.77

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Solution

The fourth proportional to 17,824.79, 26,726.35 and 8,929.77 is: 13,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,824.79 : 26,726.35 = 8,929.77 : x
  2. Step 2: Convert to fraction form
    17,824.79/26,726.35 = 8,929.77/x
  3. Step 3: Cross multiply
    17,824.79x = 26,726.35 × 8,929.77
  4. Step 4: Simplify right side
    17,824.79x = 238,660,158.44
  5. Step 5: Solve for x
    x = 238,660,158.44/17,824.79
  6. Step 6: Final answer
    x = 13,389.23

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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.