Home / 28,799.10-39,743.55-16,862.94

Finding the Fourth Proportional to 28,799.10, 39,743.55 and 16,862.94

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Solution

The fourth proportional to 28,799.10, 39,743.55 and 16,862.94 is: 23,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.10 : 39,743.55 = 16,862.94 : x
  2. Step 2: Convert to fraction form
    28,799.10/39,743.55 = 16,862.94/x
  3. Step 3: Cross multiply
    28,799.10x = 39,743.55 × 16,862.94
  4. Step 4: Simplify right side
    28,799.10x = 670,193,099.04
  5. Step 5: Solve for x
    x = 670,193,099.04/28,799.10
  6. Step 6: Final answer
    x = 23,271.32

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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.