Home / 26,403.94-36,431.52-15,069.81

Finding the Fourth Proportional to 26,403.94, 36,431.52 and 15,069.81

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Solution

The fourth proportional to 26,403.94, 36,431.52 and 15,069.81 is: 20,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.94 : 36,431.52 = 15,069.81 : x
  2. Step 2: Convert to fraction form
    26,403.94/36,431.52 = 15,069.81/x
  3. Step 3: Cross multiply
    26,403.94x = 36,431.52 × 15,069.81
  4. Step 4: Simplify right side
    26,403.94x = 549,016,095.59
  5. Step 5: Solve for x
    x = 549,016,095.59/26,403.94
  6. Step 6: Final answer
    x = 20,792.96

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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.