Home / 23,838.13-32,779.97-20,688.85

Finding the Fourth Proportional to 23,838.13, 32,779.97 and 20,688.85

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Solution

The fourth proportional to 23,838.13, 32,779.97 and 20,688.85 is: 28,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,838.13 : 32,779.97 = 20,688.85 : x
  2. Step 2: Convert to fraction form
    23,838.13/32,779.97 = 20,688.85/x
  3. Step 3: Cross multiply
    23,838.13x = 32,779.97 × 20,688.85
  4. Step 4: Simplify right side
    23,838.13x = 678,179,718.43
  5. Step 5: Solve for x
    x = 678,179,718.43/23,838.13
  6. Step 6: Final answer
    x = 28,449.37

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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.