Home / 28,041.90-38,697.12-15,466.38

Finding the Fourth Proportional to 28,041.90, 38,697.12 and 15,466.38

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Solution

The fourth proportional to 28,041.90, 38,697.12 and 15,466.38 is: 21,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.90 : 38,697.12 = 15,466.38 : x
  2. Step 2: Convert to fraction form
    28,041.90/38,697.12 = 15,466.38/x
  3. Step 3: Cross multiply
    28,041.90x = 38,697.12 × 15,466.38
  4. Step 4: Simplify right side
    28,041.90x = 598,504,362.83
  5. Step 5: Solve for x
    x = 598,504,362.83/28,041.90
  6. Step 6: Final answer
    x = 21,343.22

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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.