Home / 26,378.87-36,403.05-15,624.33

Finding the Fourth Proportional to 26,378.87, 36,403.05 and 15,624.33

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Solution

The fourth proportional to 26,378.87, 36,403.05 and 15,624.33 is: 21,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.87 : 36,403.05 = 15,624.33 : x
  2. Step 2: Convert to fraction form
    26,378.87/36,403.05 = 15,624.33/x
  3. Step 3: Cross multiply
    26,378.87x = 36,403.05 × 15,624.33
  4. Step 4: Simplify right side
    26,378.87x = 568,773,188.29
  5. Step 5: Solve for x
    x = 568,773,188.29/26,378.87
  6. Step 6: Final answer
    x = 21,561.70

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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.