Home / 28,594.56-39,459.34-15,847.92

Finding the Fourth Proportional to 28,594.56, 39,459.34 and 15,847.92

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Solution

The fourth proportional to 28,594.56, 39,459.34 and 15,847.92 is: 21,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.56 : 39,459.34 = 15,847.92 : x
  2. Step 2: Convert to fraction form
    28,594.56/39,459.34 = 15,847.92/x
  3. Step 3: Cross multiply
    28,594.56x = 39,459.34 × 15,847.92
  4. Step 4: Simplify right side
    28,594.56x = 625,348,463.57
  5. Step 5: Solve for x
    x = 625,348,463.57/28,594.56
  6. Step 6: Final answer
    x = 21,869.49

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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.