Home / 28,235.12-42,345.57-11,599.74

Finding the Fourth Proportional to 28,235.12, 42,345.57 and 11,599.74

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Solution

The fourth proportional to 28,235.12, 42,345.57 and 11,599.74 is: 17,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.12 : 42,345.57 = 11,599.74 : x
  2. Step 2: Convert to fraction form
    28,235.12/42,345.57 = 11,599.74/x
  3. Step 3: Cross multiply
    28,235.12x = 42,345.57 × 11,599.74
  4. Step 4: Simplify right side
    28,235.12x = 491,197,580.40
  5. Step 5: Solve for x
    x = 491,197,580.40/28,235.12
  6. Step 6: Final answer
    x = 17,396.69

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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.