Home / 28,284.08-42,435.33-13,491.07

Finding the Fourth Proportional to 28,284.08, 42,435.33 and 13,491.07

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Solution

The fourth proportional to 28,284.08, 42,435.33 and 13,491.07 is: 20,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.08 : 42,435.33 = 13,491.07 : x
  2. Step 2: Convert to fraction form
    28,284.08/42,435.33 = 13,491.07/x
  3. Step 3: Cross multiply
    28,284.08x = 42,435.33 × 13,491.07
  4. Step 4: Simplify right side
    28,284.08x = 572,498,007.50
  5. Step 5: Solve for x
    x = 572,498,007.50/28,284.08
  6. Step 6: Final answer
    x = 20,241.00

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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.