Home / 28,235.52-42,363.65-11,591.06

Finding the Fourth Proportional to 28,235.52, 42,363.65 and 11,591.06

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Solution

The fourth proportional to 28,235.52, 42,363.65 and 11,591.06 is: 17,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.52 : 42,363.65 = 11,591.06 : x
  2. Step 2: Convert to fraction form
    28,235.52/42,363.65 = 11,591.06/x
  3. Step 3: Cross multiply
    28,235.52x = 42,363.65 × 11,591.06
  4. Step 4: Simplify right side
    28,235.52x = 491,039,426.13
  5. Step 5: Solve for x
    x = 491,039,426.13/28,235.52
  6. Step 6: Final answer
    x = 17,390.84

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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.