Home / 56,027.28-83,920.32-26,400.72

Finding the Fourth Proportional to 56,027.28, 83,920.32 and 26,400.72

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Solution

The fourth proportional to 56,027.28, 83,920.32 and 26,400.72 is: 39,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,027.28 : 83,920.32 = 26,400.72 : x
  2. Step 2: Convert to fraction form
    56,027.28/83,920.32 = 26,400.72/x
  3. Step 3: Cross multiply
    56,027.28x = 83,920.32 × 26,400.72
  4. Step 4: Simplify right side
    56,027.28x = 2,215,556,870.63
  5. Step 5: Solve for x
    x = 2,215,556,870.63/56,027.28
  6. Step 6: Final answer
    x = 39,544.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.