Home / 28,971.72-43,457.58-15,117.48

Finding the Fourth Proportional to 28,971.72, 43,457.58 and 15,117.48

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Solution

The fourth proportional to 28,971.72, 43,457.58 and 15,117.48 is: 22,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.72 : 43,457.58 = 15,117.48 : x
  2. Step 2: Convert to fraction form
    28,971.72/43,457.58 = 15,117.48/x
  3. Step 3: Cross multiply
    28,971.72x = 43,457.58 × 15,117.48
  4. Step 4: Simplify right side
    28,971.72x = 656,969,096.50
  5. Step 5: Solve for x
    x = 656,969,096.50/28,971.72
  6. Step 6: Final answer
    x = 22,676.22

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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.