Home / 28,011.75-42,017.10-6,951.84

Finding the Fourth Proportional to 28,011.75, 42,017.10 and 6,951.84

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Solution

The fourth proportional to 28,011.75, 42,017.10 and 6,951.84 is: 10,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.75 : 42,017.10 = 6,951.84 : x
  2. Step 2: Convert to fraction form
    28,011.75/42,017.10 = 6,951.84/x
  3. Step 3: Cross multiply
    28,011.75x = 42,017.10 × 6,951.84
  4. Step 4: Simplify right side
    28,011.75x = 292,096,156.46
  5. Step 5: Solve for x
    x = 292,096,156.46/28,011.75
  6. Step 6: Final answer
    x = 10,427.63

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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.