Home / 28,799.09-39,743.55-16,862.93

Finding the Fourth Proportional to 28,799.09, 39,743.55 and 16,862.93

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Solution

The fourth proportional to 28,799.09, 39,743.55 and 16,862.93 is: 23,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.09 : 39,743.55 = 16,862.93 : x
  2. Step 2: Convert to fraction form
    28,799.09/39,743.55 = 16,862.93/x
  3. Step 3: Cross multiply
    28,799.09x = 39,743.55 × 16,862.93
  4. Step 4: Simplify right side
    28,799.09x = 670,192,502.88
  5. Step 5: Solve for x
    x = 670,192,502.88/28,799.09
  6. Step 6: Final answer
    x = 23,271.31

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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.