Home / 19,475.40-26,879.55-18,587.96

Finding the Fourth Proportional to 19,475.40, 26,879.55 and 18,587.96

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Solution

The fourth proportional to 19,475.40, 26,879.55 and 18,587.96 is: 25,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.40 : 26,879.55 = 18,587.96 : x
  2. Step 2: Convert to fraction form
    19,475.40/26,879.55 = 18,587.96/x
  3. Step 3: Cross multiply
    19,475.40x = 26,879.55 × 18,587.96
  4. Step 4: Simplify right side
    19,475.40x = 499,636,000.22
  5. Step 5: Solve for x
    x = 499,636,000.22/19,475.40
  6. Step 6: Final answer
    x = 25,654.72

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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.