Home / 28,489.72-39,293.40-26,579.88

Finding the Fourth Proportional to 28,489.72, 39,293.40 and 26,579.88

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Solution

The fourth proportional to 28,489.72, 39,293.40 and 26,579.88 is: 36,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.72 : 39,293.40 = 26,579.88 : x
  2. Step 2: Convert to fraction form
    28,489.72/39,293.40 = 26,579.88/x
  3. Step 3: Cross multiply
    28,489.72x = 39,293.40 × 26,579.88
  4. Step 4: Simplify right side
    28,489.72x = 1,044,413,856.79
  5. Step 5: Solve for x
    x = 1,044,413,856.79/28,489.72
  6. Step 6: Final answer
    x = 36,659.32

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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.