Home / 28,610.37-39,483.57-15,862.74

Finding the Fourth Proportional to 28,610.37, 39,483.57 and 15,862.74

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Solution

The fourth proportional to 28,610.37, 39,483.57 and 15,862.74 is: 21,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.37 : 39,483.57 = 15,862.74 : x
  2. Step 2: Convert to fraction form
    28,610.37/39,483.57 = 15,862.74/x
  3. Step 3: Cross multiply
    28,610.37x = 39,483.57 × 15,862.74
  4. Step 4: Simplify right side
    28,610.37x = 626,317,605.18
  5. Step 5: Solve for x
    x = 626,317,605.18/28,610.37
  6. Step 6: Final answer
    x = 21,891.28

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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.