Home / 28,884.40-43,326.60-28,301.20

Finding the Fourth Proportional to 28,884.40, 43,326.60 and 28,301.20

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Solution

The fourth proportional to 28,884.40, 43,326.60 and 28,301.20 is: 42,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.40 : 43,326.60 = 28,301.20 : x
  2. Step 2: Convert to fraction form
    28,884.40/43,326.60 = 28,301.20/x
  3. Step 3: Cross multiply
    28,884.40x = 43,326.60 × 28,301.20
  4. Step 4: Simplify right side
    28,884.40x = 1,226,194,771.92
  5. Step 5: Solve for x
    x = 1,226,194,771.92/28,884.40
  6. Step 6: Final answer
    x = 42,451.80

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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.