Home / 28,922.90-43,355.55-13,313.30

Finding the Fourth Proportional to 28,922.90, 43,355.55 and 13,313.30

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Solution

The fourth proportional to 28,922.90, 43,355.55 and 13,313.30 is: 19,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.90 : 43,355.55 = 13,313.30 : x
  2. Step 2: Convert to fraction form
    28,922.90/43,355.55 = 13,313.30/x
  3. Step 3: Cross multiply
    28,922.90x = 43,355.55 × 13,313.30
  4. Step 4: Simplify right side
    28,922.90x = 577,205,443.82
  5. Step 5: Solve for x
    x = 577,205,443.82/28,922.90
  6. Step 6: Final answer
    x = 19,956.69

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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.