Home / 29,615.22-40,870.10-16,187.38

Finding the Fourth Proportional to 29,615.22, 40,870.10 and 16,187.38

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Solution

The fourth proportional to 29,615.22, 40,870.10 and 16,187.38 is: 22,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.22 : 40,870.10 = 16,187.38 : x
  2. Step 2: Convert to fraction form
    29,615.22/40,870.10 = 16,187.38/x
  3. Step 3: Cross multiply
    29,615.22x = 40,870.10 × 16,187.38
  4. Step 4: Simplify right side
    29,615.22x = 661,579,777.63
  5. Step 5: Solve for x
    x = 661,579,777.63/29,615.22
  6. Step 6: Final answer
    x = 22,339.18

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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.