Home / 28,605.09-39,477.36-15,862.27

Finding the Fourth Proportional to 28,605.09, 39,477.36 and 15,862.27

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Solution

The fourth proportional to 28,605.09, 39,477.36 and 15,862.27 is: 21,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.09 : 39,477.36 = 15,862.27 : x
  2. Step 2: Convert to fraction form
    28,605.09/39,477.36 = 15,862.27/x
  3. Step 3: Cross multiply
    28,605.09x = 39,477.36 × 15,862.27
  4. Step 4: Simplify right side
    28,605.09x = 626,200,543.21
  5. Step 5: Solve for x
    x = 626,200,543.21/28,605.09
  6. Step 6: Final answer
    x = 21,891.23

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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.