Home / 28,257.92-42,392.36-10,740.08

Finding the Fourth Proportional to 28,257.92, 42,392.36 and 10,740.08

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Solution

The fourth proportional to 28,257.92, 42,392.36 and 10,740.08 is: 16,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.92 : 42,392.36 = 10,740.08 : x
  2. Step 2: Convert to fraction form
    28,257.92/42,392.36 = 10,740.08/x
  3. Step 3: Cross multiply
    28,257.92x = 42,392.36 × 10,740.08
  4. Step 4: Simplify right side
    28,257.92x = 455,297,337.79
  5. Step 5: Solve for x
    x = 455,297,337.79/28,257.92
  6. Step 6: Final answer
    x = 16,112.20

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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.