Home / 28,518.96-39,337.62-18,293.82

Finding the Fourth Proportional to 28,518.96, 39,337.62 and 18,293.82

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Solution

The fourth proportional to 28,518.96, 39,337.62 and 18,293.82 is: 25,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.96 : 39,337.62 = 18,293.82 : x
  2. Step 2: Convert to fraction form
    28,518.96/39,337.62 = 18,293.82/x
  3. Step 3: Cross multiply
    28,518.96x = 39,337.62 × 18,293.82
  4. Step 4: Simplify right side
    28,518.96x = 719,635,339.51
  5. Step 5: Solve for x
    x = 719,635,339.51/28,518.96
  6. Step 6: Final answer
    x = 25,233.58

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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.