Home / 28,176.99-42,265.50-22,905.72

Finding the Fourth Proportional to 28,176.99, 42,265.50 and 22,905.72

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Solution

The fourth proportional to 28,176.99, 42,265.50 and 22,905.72 is: 34,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.99 : 42,265.50 = 22,905.72 : x
  2. Step 2: Convert to fraction form
    28,176.99/42,265.50 = 22,905.72/x
  3. Step 3: Cross multiply
    28,176.99x = 42,265.50 × 22,905.72
  4. Step 4: Simplify right side
    28,176.99x = 968,121,708.66
  5. Step 5: Solve for x
    x = 968,121,708.66/28,176.99
  6. Step 6: Final answer
    x = 34,358.59

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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.