Home / 29,191.36-40,279.72-16,442.72

Finding the Fourth Proportional to 29,191.36, 40,279.72 and 16,442.72

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Solution

The fourth proportional to 29,191.36, 40,279.72 and 16,442.72 is: 22,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.36 : 40,279.72 = 16,442.72 : x
  2. Step 2: Convert to fraction form
    29,191.36/40,279.72 = 16,442.72/x
  3. Step 3: Cross multiply
    29,191.36x = 40,279.72 × 16,442.72
  4. Step 4: Simplify right side
    29,191.36x = 662,308,157.64
  5. Step 5: Solve for x
    x = 662,308,157.64/29,191.36
  6. Step 6: Final answer
    x = 22,688.50

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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.