Home / 28,998.23-40,008.20-17,064.50

Finding the Fourth Proportional to 28,998.23, 40,008.20 and 17,064.50

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Solution

The fourth proportional to 28,998.23, 40,008.20 and 17,064.50 is: 23,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.23 : 40,008.20 = 17,064.50 : x
  2. Step 2: Convert to fraction form
    28,998.23/40,008.20 = 17,064.50/x
  3. Step 3: Cross multiply
    28,998.23x = 40,008.20 × 17,064.50
  4. Step 4: Simplify right side
    28,998.23x = 682,719,643.54
  5. Step 5: Solve for x
    x = 682,719,643.54/28,998.23
  6. Step 6: Final answer
    x = 23,543.50

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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.