Home / 28,640.23-42,991.76-22,754.93

Finding the Fourth Proportional to 28,640.23, 42,991.76 and 22,754.93

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Solution

The fourth proportional to 28,640.23, 42,991.76 and 22,754.93 is: 34,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.23 : 42,991.76 = 22,754.93 : x
  2. Step 2: Convert to fraction form
    28,640.23/42,991.76 = 22,754.93/x
  3. Step 3: Cross multiply
    28,640.23x = 42,991.76 × 22,754.93
  4. Step 4: Simplify right side
    28,640.23x = 978,274,483.08
  5. Step 5: Solve for x
    x = 978,274,483.08/28,640.23
  6. Step 6: Final answer
    x = 34,157.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.