Home / 37,682.16-52,001.64-20,915.16

Finding the Fourth Proportional to 37,682.16, 52,001.64 and 20,915.16

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Solution

The fourth proportional to 37,682.16, 52,001.64 and 20,915.16 is: 28,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.16 : 52,001.64 = 20,915.16 : x
  2. Step 2: Convert to fraction form
    37,682.16/52,001.64 = 20,915.16/x
  3. Step 3: Cross multiply
    37,682.16x = 52,001.64 × 20,915.16
  4. Step 4: Simplify right side
    37,682.16x = 1,087,622,620.86
  5. Step 5: Solve for x
    x = 1,087,622,620.86/37,682.16
  6. Step 6: Final answer
    x = 28,863.06

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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.