Home / 28,999.10-40,021.56-16,254.45

Finding the Fourth Proportional to 28,999.10, 40,021.56 and 16,254.45

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Solution

The fourth proportional to 28,999.10, 40,021.56 and 16,254.45 is: 22,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.10 : 40,021.56 = 16,254.45 : x
  2. Step 2: Convert to fraction form
    28,999.10/40,021.56 = 16,254.45/x
  3. Step 3: Cross multiply
    28,999.10x = 40,021.56 × 16,254.45
  4. Step 4: Simplify right side
    28,999.10x = 650,528,445.94
  5. Step 5: Solve for x
    x = 650,528,445.94/28,999.10
  6. Step 6: Final answer
    x = 22,432.72

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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.