Home / 28,999.21-40,022.13-16,254.49

Finding the Fourth Proportional to 28,999.21, 40,022.13 and 16,254.49

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Solution

The fourth proportional to 28,999.21, 40,022.13 and 16,254.49 is: 22,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.21 : 40,022.13 = 16,254.49 : x
  2. Step 2: Convert to fraction form
    28,999.21/40,022.13 = 16,254.49/x
  3. Step 3: Cross multiply
    28,999.21x = 40,022.13 × 16,254.49
  4. Step 4: Simplify right side
    28,999.21x = 650,539,311.86
  5. Step 5: Solve for x
    x = 650,539,311.86/28,999.21
  6. Step 6: Final answer
    x = 22,433.00

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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.