Home / 20,493.24-28,281.24-12,535.32

Finding the Fourth Proportional to 20,493.24, 28,281.24 and 12,535.32

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Solution

The fourth proportional to 20,493.24, 28,281.24 and 12,535.32 is: 17,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.24 : 28,281.24 = 12,535.32 : x
  2. Step 2: Convert to fraction form
    20,493.24/28,281.24 = 12,535.32/x
  3. Step 3: Cross multiply
    20,493.24x = 28,281.24 × 12,535.32
  4. Step 4: Simplify right side
    20,493.24x = 354,514,393.40
  5. Step 5: Solve for x
    x = 354,514,393.40/20,493.24
  6. Step 6: Final answer
    x = 17,299.09

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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.