Home / 28,148.22-38,809.26-18,058.86

Finding the Fourth Proportional to 28,148.22, 38,809.26 and 18,058.86

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Solution

The fourth proportional to 28,148.22, 38,809.26 and 18,058.86 is: 24,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.22 : 38,809.26 = 18,058.86 : x
  2. Step 2: Convert to fraction form
    28,148.22/38,809.26 = 18,058.86/x
  3. Step 3: Cross multiply
    28,148.22x = 38,809.26 × 18,058.86
  4. Step 4: Simplify right side
    28,148.22x = 700,850,993.04
  5. Step 5: Solve for x
    x = 700,850,993.04/28,148.22
  6. Step 6: Final answer
    x = 24,898.59

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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.