Home / 29,168.80-43,688.40-15,301.60

Finding the Fourth Proportional to 29,168.80, 43,688.40 and 15,301.60

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Solution

The fourth proportional to 29,168.80, 43,688.40 and 15,301.60 is: 22,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.80 : 43,688.40 = 15,301.60 : x
  2. Step 2: Convert to fraction form
    29,168.80/43,688.40 = 15,301.60/x
  3. Step 3: Cross multiply
    29,168.80x = 43,688.40 × 15,301.60
  4. Step 4: Simplify right side
    29,168.80x = 668,502,421.44
  5. Step 5: Solve for x
    x = 668,502,421.44/29,168.80
  6. Step 6: Final answer
    x = 22,918.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.