Home / 28,154.88-42,239.60-10,624.86

Finding the Fourth Proportional to 28,154.88, 42,239.60 and 10,624.86

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Solution

The fourth proportional to 28,154.88, 42,239.60 and 10,624.86 is: 15,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.88 : 42,239.60 = 10,624.86 : x
  2. Step 2: Convert to fraction form
    28,154.88/42,239.60 = 10,624.86/x
  3. Step 3: Cross multiply
    28,154.88x = 42,239.60 × 10,624.86
  4. Step 4: Simplify right side
    28,154.88x = 448,789,783.33
  5. Step 5: Solve for x
    x = 448,789,783.33/28,154.88
  6. Step 6: Final answer
    x = 15,940.04

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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.