Home / 25,749.72-38,602.35-9,965.79

Finding the Fourth Proportional to 25,749.72, 38,602.35 and 9,965.79

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Solution

The fourth proportional to 25,749.72, 38,602.35 and 9,965.79 is: 14,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.72 : 38,602.35 = 9,965.79 : x
  2. Step 2: Convert to fraction form
    25,749.72/38,602.35 = 9,965.79/x
  3. Step 3: Cross multiply
    25,749.72x = 38,602.35 × 9,965.79
  4. Step 4: Simplify right side
    25,749.72x = 384,702,913.61
  5. Step 5: Solve for x
    x = 384,702,913.61/25,749.72
  6. Step 6: Final answer
    x = 14,940.08

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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.