Home / 26,920.11-37,071.36-20,941.71

Finding the Fourth Proportional to 26,920.11, 37,071.36 and 20,941.71

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Solution

The fourth proportional to 26,920.11, 37,071.36 and 20,941.71 is: 28,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.11 : 37,071.36 = 20,941.71 : x
  2. Step 2: Convert to fraction form
    26,920.11/37,071.36 = 20,941.71/x
  3. Step 3: Cross multiply
    26,920.11x = 37,071.36 × 20,941.71
  4. Step 4: Simplify right side
    26,920.11x = 776,337,670.43
  5. Step 5: Solve for x
    x = 776,337,670.43/26,920.11
  6. Step 6: Final answer
    x = 28,838.58

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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.