Home / 26,268.10-36,205.05-20,565.70

Finding the Fourth Proportional to 26,268.10, 36,205.05 and 20,565.70

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Solution

The fourth proportional to 26,268.10, 36,205.05 and 20,565.70 is: 28,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.10 : 36,205.05 = 20,565.70 : x
  2. Step 2: Convert to fraction form
    26,268.10/36,205.05 = 20,565.70/x
  3. Step 3: Cross multiply
    26,268.10x = 36,205.05 × 20,565.70
  4. Step 4: Simplify right side
    26,268.10x = 744,582,196.79
  5. Step 5: Solve for x
    x = 744,582,196.79/26,268.10
  6. Step 6: Final answer
    x = 28,345.49

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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.