Home / 35,917.24-53,867.20-15,915.72

Finding the Fourth Proportional to 35,917.24, 53,867.20 and 15,915.72

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Solution

The fourth proportional to 35,917.24, 53,867.20 and 15,915.72 is: 23,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.24 : 53,867.20 = 15,915.72 : x
  2. Step 2: Convert to fraction form
    35,917.24/53,867.20 = 15,915.72/x
  3. Step 3: Cross multiply
    35,917.24x = 53,867.20 × 15,915.72
  4. Step 4: Simplify right side
    35,917.24x = 857,335,272.38
  5. Step 5: Solve for x
    x = 857,335,272.38/35,917.24
  6. Step 6: Final answer
    x = 23,869.74

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1.5x scale

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.