Home / 28,246.40-42,353.60-10,716.80

Finding the Fourth Proportional to 28,246.40, 42,353.60 and 10,716.80

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Solution

The fourth proportional to 28,246.40, 42,353.60 and 10,716.80 is: 16,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.40 : 42,353.60 = 10,716.80 : x
  2. Step 2: Convert to fraction form
    28,246.40/42,353.60 = 10,716.80/x
  3. Step 3: Cross multiply
    28,246.40x = 42,353.60 × 10,716.80
  4. Step 4: Simplify right side
    28,246.40x = 453,895,060.48
  5. Step 5: Solve for x
    x = 453,895,060.48/28,246.40
  6. Step 6: Final answer
    x = 16,069.13

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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.