Home / 29,009.12-40,032.72-16,436.32

Finding the Fourth Proportional to 29,009.12, 40,032.72 and 16,436.32

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Solution

The fourth proportional to 29,009.12, 40,032.72 and 16,436.32 is: 22,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.12 : 40,032.72 = 16,436.32 : x
  2. Step 2: Convert to fraction form
    29,009.12/40,032.72 = 16,436.32/x
  3. Step 3: Cross multiply
    29,009.12x = 40,032.72 × 16,436.32
  4. Step 4: Simplify right side
    29,009.12x = 657,990,596.39
  5. Step 5: Solve for x
    x = 657,990,596.39/29,009.12
  6. Step 6: Final answer
    x = 22,682.20

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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.