Home / 26,280.48-36,280.44-20,298.72

Finding the Fourth Proportional to 26,280.48, 36,280.44 and 20,298.72

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Solution

The fourth proportional to 26,280.48, 36,280.44 and 20,298.72 is: 28,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.48 : 36,280.44 = 20,298.72 : x
  2. Step 2: Convert to fraction form
    26,280.48/36,280.44 = 20,298.72/x
  3. Step 3: Cross multiply
    26,280.48x = 36,280.44 × 20,298.72
  4. Step 4: Simplify right side
    26,280.48x = 736,446,493.04
  5. Step 5: Solve for x
    x = 736,446,493.04/26,280.48
  6. Step 6: Final answer
    x = 28,022.57

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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.