Home / 27,056.89-37,342.04-15,122.71

Finding the Fourth Proportional to 27,056.89, 37,342.04 and 15,122.71

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Solution

The fourth proportional to 27,056.89, 37,342.04 and 15,122.71 is: 20,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.89 : 37,342.04 = 15,122.71 : x
  2. Step 2: Convert to fraction form
    27,056.89/37,342.04 = 15,122.71/x
  3. Step 3: Cross multiply
    27,056.89x = 37,342.04 × 15,122.71
  4. Step 4: Simplify right side
    27,056.89x = 564,712,841.73
  5. Step 5: Solve for x
    x = 564,712,841.73/27,056.89
  6. Step 6: Final answer
    x = 20,871.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.