Home / 25,235.46-34,838.90-15,166.35

Finding the Fourth Proportional to 25,235.46, 34,838.90 and 15,166.35

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Solution

The fourth proportional to 25,235.46, 34,838.90 and 15,166.35 is: 20,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.46 : 34,838.90 = 15,166.35 : x
  2. Step 2: Convert to fraction form
    25,235.46/34,838.90 = 15,166.35/x
  3. Step 3: Cross multiply
    25,235.46x = 34,838.90 × 15,166.35
  4. Step 4: Simplify right side
    25,235.46x = 528,378,951.02
  5. Step 5: Solve for x
    x = 528,378,951.02/25,235.46
  6. Step 6: Final answer
    x = 20,937.96

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1.5x scale

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.