Home / 28,563.32-42,854.44-18,021.18

Finding the Fourth Proportional to 28,563.32, 42,854.44 and 18,021.18

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Solution

The fourth proportional to 28,563.32, 42,854.44 and 18,021.18 is: 27,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.32 : 42,854.44 = 18,021.18 : x
  2. Step 2: Convert to fraction form
    28,563.32/42,854.44 = 18,021.18/x
  3. Step 3: Cross multiply
    28,563.32x = 42,854.44 × 18,021.18
  4. Step 4: Simplify right side
    28,563.32x = 772,287,577.04
  5. Step 5: Solve for x
    x = 772,287,577.04/28,563.32
  6. Step 6: Final answer
    x = 27,037.74

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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.