Home / 28,022.64-42,032.52-8,301.36

Finding the Fourth Proportional to 28,022.64, 42,032.52 and 8,301.36

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Solution

The fourth proportional to 28,022.64, 42,032.52 and 8,301.36 is: 12,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.64 : 42,032.52 = 8,301.36 : x
  2. Step 2: Convert to fraction form
    28,022.64/42,032.52 = 8,301.36/x
  3. Step 3: Cross multiply
    28,022.64x = 42,032.52 × 8,301.36
  4. Step 4: Simplify right side
    28,022.64x = 348,927,080.23
  5. Step 5: Solve for x
    x = 348,927,080.23/28,022.64
  6. Step 6: Final answer
    x = 12,451.61

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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.