Home / 28,277.24-42,422.74-8,554.68

Finding the Fourth Proportional to 28,277.24, 42,422.74 and 8,554.68

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Solution

The fourth proportional to 28,277.24, 42,422.74 and 8,554.68 is: 12,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.24 : 42,422.74 = 8,554.68 : x
  2. Step 2: Convert to fraction form
    28,277.24/42,422.74 = 8,554.68/x
  3. Step 3: Cross multiply
    28,277.24x = 42,422.74 × 8,554.68
  4. Step 4: Simplify right side
    28,277.24x = 362,912,944.04
  5. Step 5: Solve for x
    x = 362,912,944.04/28,277.24
  6. Step 6: Final answer
    x = 12,834.10

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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.