Home / 28,230.24-38,950.02-17,621.58

Finding the Fourth Proportional to 28,230.24, 38,950.02 and 17,621.58

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Solution

The fourth proportional to 28,230.24, 38,950.02 and 17,621.58 is: 24,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230.24 : 38,950.02 = 17,621.58 : x
  2. Step 2: Convert to fraction form
    28,230.24/38,950.02 = 17,621.58/x
  3. Step 3: Cross multiply
    28,230.24x = 38,950.02 × 17,621.58
  4. Step 4: Simplify right side
    28,230.24x = 686,360,893.43
  5. Step 5: Solve for x
    x = 686,360,893.43/28,230.24
  6. Step 6: Final answer
    x = 24,312.97

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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.