Home / 27,200.80-37,541.84-15,877

Finding the Fourth Proportional to 27,200.80, 37,541.84 and 15,877

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Solution

The fourth proportional to 27,200.80, 37,541.84 and 15,877 is: 21,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.80 : 37,541.84 = 15,877 : x
  2. Step 2: Convert to fraction form
    27,200.80/37,541.84 = 15,877/x
  3. Step 3: Cross multiply
    27,200.80x = 37,541.84 × 15,877
  4. Step 4: Simplify right side
    27,200.80x = 596,051,793.68
  5. Step 5: Solve for x
    x = 596,051,793.68/27,200.80
  6. Step 6: Final answer
    x = 21,913.02

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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.