Home / 27,457.20-41,148.72-20,026.80

Finding the Fourth Proportional to 27,457.20, 41,148.72 and 20,026.80

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Solution

The fourth proportional to 27,457.20, 41,148.72 and 20,026.80 is: 30,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.20 : 41,148.72 = 20,026.80 : x
  2. Step 2: Convert to fraction form
    27,457.20/41,148.72 = 20,026.80/x
  3. Step 3: Cross multiply
    27,457.20x = 41,148.72 × 20,026.80
  4. Step 4: Simplify right side
    27,457.20x = 824,077,185.70
  5. Step 5: Solve for x
    x = 824,077,185.70/27,457.20
  6. Step 6: Final answer
    x = 30,013.15

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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.