Home / 28,269.24-42,404.76-14,221.59

Finding the Fourth Proportional to 28,269.24, 42,404.76 and 14,221.59

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Solution

The fourth proportional to 28,269.24, 42,404.76 and 14,221.59 is: 21,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.24 : 42,404.76 = 14,221.59 : x
  2. Step 2: Convert to fraction form
    28,269.24/42,404.76 = 14,221.59/x
  3. Step 3: Cross multiply
    28,269.24x = 42,404.76 × 14,221.59
  4. Step 4: Simplify right side
    28,269.24x = 603,063,110.77
  5. Step 5: Solve for x
    x = 603,063,110.77/28,269.24
  6. Step 6: Final answer
    x = 21,332.84

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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.