Home / 29,427.12-40,615.76-18,106.24

Finding the Fourth Proportional to 29,427.12, 40,615.76 and 18,106.24

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Solution

The fourth proportional to 29,427.12, 40,615.76 and 18,106.24 is: 24,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.12 : 40,615.76 = 18,106.24 : x
  2. Step 2: Convert to fraction form
    29,427.12/40,615.76 = 18,106.24/x
  3. Step 3: Cross multiply
    29,427.12x = 40,615.76 × 18,106.24
  4. Step 4: Simplify right side
    29,427.12x = 735,398,698.34
  5. Step 5: Solve for x
    x = 735,398,698.34/29,427.12
  6. Step 6: Final answer
    x = 24,990.51

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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.