Home / 38,580.89-57,875.99-13,615.83

Finding the Fourth Proportional to 38,580.89, 57,875.99 and 13,615.83

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Solution

The fourth proportional to 38,580.89, 57,875.99 and 13,615.83 is: 20,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.89 : 57,875.99 = 13,615.83 : x
  2. Step 2: Convert to fraction form
    38,580.89/57,875.99 = 13,615.83/x
  3. Step 3: Cross multiply
    38,580.89x = 57,875.99 × 13,615.83
  4. Step 4: Simplify right side
    38,580.89x = 788,029,572.84
  5. Step 5: Solve for x
    x = 788,029,572.84/38,580.89
  6. Step 6: Final answer
    x = 20,425.39

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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.