Home / 28,063.79-42,102.61-8,342.26

Finding the Fourth Proportional to 28,063.79, 42,102.61 and 8,342.26

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Solution

The fourth proportional to 28,063.79, 42,102.61 and 8,342.26 is: 12,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.79 : 42,102.61 = 8,342.26 : x
  2. Step 2: Convert to fraction form
    28,063.79/42,102.61 = 8,342.26/x
  3. Step 3: Cross multiply
    28,063.79x = 42,102.61 × 8,342.26
  4. Step 4: Simplify right side
    28,063.79x = 351,230,793.19
  5. Step 5: Solve for x
    x = 351,230,793.19/28,063.79
  6. Step 6: Final answer
    x = 12,515.45

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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.