Home / 28,061.40-42,140.70-27,186.60

Finding the Fourth Proportional to 28,061.40, 42,140.70 and 27,186.60

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Solution

The fourth proportional to 28,061.40, 42,140.70 and 27,186.60 is: 40,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.40 : 42,140.70 = 27,186.60 : x
  2. Step 2: Convert to fraction form
    28,061.40/42,140.70 = 27,186.60/x
  3. Step 3: Cross multiply
    28,061.40x = 42,140.70 × 27,186.60
  4. Step 4: Simplify right side
    28,061.40x = 1,145,662,354.62
  5. Step 5: Solve for x
    x = 1,145,662,354.62/28,061.40
  6. Step 6: Final answer
    x = 40,826.98

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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.