Home / 28,240.41-42,365.19-9,522.12

Finding the Fourth Proportional to 28,240.41, 42,365.19 and 9,522.12

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Solution

The fourth proportional to 28,240.41, 42,365.19 and 9,522.12 is: 14,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.41 : 42,365.19 = 9,522.12 : x
  2. Step 2: Convert to fraction form
    28,240.41/42,365.19 = 9,522.12/x
  3. Step 3: Cross multiply
    28,240.41x = 42,365.19 × 9,522.12
  4. Step 4: Simplify right side
    28,240.41x = 403,406,423.00
  5. Step 5: Solve for x
    x = 403,406,423.00/28,240.41
  6. Step 6: Final answer
    x = 14,284.72

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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.