Home / 25,908.12-38,838.93-10,102.49

Finding the Fourth Proportional to 25,908.12, 38,838.93 and 10,102.49

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Solution

The fourth proportional to 25,908.12, 38,838.93 and 10,102.49 is: 15,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.12 : 38,838.93 = 10,102.49 : x
  2. Step 2: Convert to fraction form
    25,908.12/38,838.93 = 10,102.49/x
  3. Step 3: Cross multiply
    25,908.12x = 38,838.93 × 10,102.49
  4. Step 4: Simplify right side
    25,908.12x = 392,369,815.50
  5. Step 5: Solve for x
    x = 392,369,815.50/25,908.12
  6. Step 6: Final answer
    x = 15,144.67

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1.5x scale

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.