Home / 28,085.27-38,773.49-19,483.88

Finding the Fourth Proportional to 28,085.27, 38,773.49 and 19,483.88

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Solution

The fourth proportional to 28,085.27, 38,773.49 and 19,483.88 is: 26,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.27 : 38,773.49 = 19,483.88 : x
  2. Step 2: Convert to fraction form
    28,085.27/38,773.49 = 19,483.88/x
  3. Step 3: Cross multiply
    28,085.27x = 38,773.49 × 19,483.88
  4. Step 4: Simplify right side
    28,085.27x = 755,457,735.05
  5. Step 5: Solve for x
    x = 755,457,735.05/28,085.27
  6. Step 6: Final answer
    x = 26,898.72

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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.