Home / 28,436.63-39,244.76-15,692.33

Finding the Fourth Proportional to 28,436.63, 39,244.76 and 15,692.33

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Solution

The fourth proportional to 28,436.63, 39,244.76 and 15,692.33 is: 21,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.63 : 39,244.76 = 15,692.33 : x
  2. Step 2: Convert to fraction form
    28,436.63/39,244.76 = 15,692.33/x
  3. Step 3: Cross multiply
    28,436.63x = 39,244.76 × 15,692.33
  4. Step 4: Simplify right side
    28,436.63x = 615,841,450.01
  5. Step 5: Solve for x
    x = 615,841,450.01/28,436.63
  6. Step 6: Final answer
    x = 21,656.63

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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.