Home / 35,828.89-49,439.94-20,719.27

Finding the Fourth Proportional to 35,828.89, 49,439.94 and 20,719.27

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Solution

The fourth proportional to 35,828.89, 49,439.94 and 20,719.27 is: 28,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.89 : 49,439.94 = 20,719.27 : x
  2. Step 2: Convert to fraction form
    35,828.89/49,439.94 = 20,719.27/x
  3. Step 3: Cross multiply
    35,828.89x = 49,439.94 × 20,719.27
  4. Step 4: Simplify right side
    35,828.89x = 1,024,359,465.64
  5. Step 5: Solve for x
    x = 1,024,359,465.64/35,828.89
  6. Step 6: Final answer
    x = 28,590.32

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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.