Home / 26,403.52-39,624.64-21,271.36

Finding the Fourth Proportional to 26,403.52, 39,624.64 and 21,271.36

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Solution

The fourth proportional to 26,403.52, 39,624.64 and 21,271.36 is: 31,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.52 : 39,624.64 = 21,271.36 : x
  2. Step 2: Convert to fraction form
    26,403.52/39,624.64 = 21,271.36/x
  3. Step 3: Cross multiply
    26,403.52x = 39,624.64 × 21,271.36
  4. Step 4: Simplify right side
    26,403.52x = 842,869,982.31
  5. Step 5: Solve for x
    x = 842,869,982.31/26,403.52
  6. Step 6: Final answer
    x = 31,922.64

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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.