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Finding the Fourth Proportional to 25,030.29, 34,540.40 and 13,699.76

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Solution

The fourth proportional to 25,030.29, 34,540.40 and 13,699.76 is: 18,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,030.29 : 34,540.40 = 13,699.76 : x
  2. Step 2: Convert to fraction form
    25,030.29/34,540.40 = 13,699.76/x
  3. Step 3: Cross multiply
    25,030.29x = 34,540.40 × 13,699.76
  4. Step 4: Simplify right side
    25,030.29x = 473,195,121.81
  5. Step 5: Solve for x
    x = 473,195,121.81/25,030.29
  6. Step 6: Final answer
    x = 18,904.90

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