Home / 28,998.24-40,017.57-16,422.99

Finding the Fourth Proportional to 28,998.24, 40,017.57 and 16,422.99

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Solution

The fourth proportional to 28,998.24, 40,017.57 and 16,422.99 is: 22,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.24 : 40,017.57 = 16,422.99 : x
  2. Step 2: Convert to fraction form
    28,998.24/40,017.57 = 16,422.99/x
  3. Step 3: Cross multiply
    28,998.24x = 40,017.57 × 16,422.99
  4. Step 4: Simplify right side
    28,998.24x = 657,208,151.93
  5. Step 5: Solve for x
    x = 657,208,151.93/28,998.24
  6. Step 6: Final answer
    x = 22,663.73

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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.