Home / 25,269.84-34,870.86-13,939.35

Finding the Fourth Proportional to 25,269.84, 34,870.86 and 13,939.35

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Solution

The fourth proportional to 25,269.84, 34,870.86 and 13,939.35 is: 19,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.84 : 34,870.86 = 13,939.35 : x
  2. Step 2: Convert to fraction form
    25,269.84/34,870.86 = 13,939.35/x
  3. Step 3: Cross multiply
    25,269.84x = 34,870.86 × 13,939.35
  4. Step 4: Simplify right side
    25,269.84x = 486,077,122.34
  5. Step 5: Solve for x
    x = 486,077,122.34/25,269.84
  6. Step 6: Final answer
    x = 19,235.46

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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.