Home / 28,364.52-42,472.44-19,999.24

Finding the Fourth Proportional to 28,364.52, 42,472.44 and 19,999.24

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Solution

The fourth proportional to 28,364.52, 42,472.44 and 19,999.24 is: 29,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.52 : 42,472.44 = 19,999.24 : x
  2. Step 2: Convert to fraction form
    28,364.52/42,472.44 = 19,999.24/x
  3. Step 3: Cross multiply
    28,364.52x = 42,472.44 × 19,999.24
  4. Step 4: Simplify right side
    28,364.52x = 849,416,520.95
  5. Step 5: Solve for x
    x = 849,416,520.95/28,364.52
  6. Step 6: Final answer
    x = 29,946.44

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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.