Home / 27,011.80-40,541.70-15,904.60

Finding the Fourth Proportional to 27,011.80, 40,541.70 and 15,904.60

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Solution

The fourth proportional to 27,011.80, 40,541.70 and 15,904.60 is: 23,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.80 : 40,541.70 = 15,904.60 : x
  2. Step 2: Convert to fraction form
    27,011.80/40,541.70 = 15,904.60/x
  3. Step 3: Cross multiply
    27,011.80x = 40,541.70 × 15,904.60
  4. Step 4: Simplify right side
    27,011.80x = 644,799,521.82
  5. Step 5: Solve for x
    x = 644,799,521.82/27,011.80
  6. Step 6: Final answer
    x = 23,871.03

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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.