Home / 19,948.92-29,687.88-19,284.50

Finding the Fourth Proportional to 19,948.92, 29,687.88 and 19,284.50

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Solution

The fourth proportional to 19,948.92, 29,687.88 and 19,284.50 is: 28,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.92 : 29,687.88 = 19,284.50 : x
  2. Step 2: Convert to fraction form
    19,948.92/29,687.88 = 19,284.50/x
  3. Step 3: Cross multiply
    19,948.92x = 29,687.88 × 19,284.50
  4. Step 4: Simplify right side
    19,948.92x = 572,515,921.86
  5. Step 5: Solve for x
    x = 572,515,921.86/19,948.92
  6. Step 6: Final answer
    x = 28,699.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.