Home / 25,336.79-38,009.74-8,692.50

Finding the Fourth Proportional to 25,336.79, 38,009.74 and 8,692.50

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Solution

The fourth proportional to 25,336.79, 38,009.74 and 8,692.50 is: 13,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.79 : 38,009.74 = 8,692.50 : x
  2. Step 2: Convert to fraction form
    25,336.79/38,009.74 = 8,692.50/x
  3. Step 3: Cross multiply
    25,336.79x = 38,009.74 × 8,692.50
  4. Step 4: Simplify right side
    25,336.79x = 330,399,664.95
  5. Step 5: Solve for x
    x = 330,399,664.95/25,336.79
  6. Step 6: Final answer
    x = 13,040.31

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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.