Home / 21,058.41-29,034.35-13,492.31

Finding the Fourth Proportional to 21,058.41, 29,034.35 and 13,492.31

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Solution

The fourth proportional to 21,058.41, 29,034.35 and 13,492.31 is: 18,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.41 : 29,034.35 = 13,492.31 : x
  2. Step 2: Convert to fraction form
    21,058.41/29,034.35 = 13,492.31/x
  3. Step 3: Cross multiply
    21,058.41x = 29,034.35 × 13,492.31
  4. Step 4: Simplify right side
    21,058.41x = 391,740,288.81
  5. Step 5: Solve for x
    x = 391,740,288.81/21,058.41
  6. Step 6: Final answer
    x = 18,602.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.