Home / 27,140.21-40,720.57-10,501.25

Finding the Fourth Proportional to 27,140.21, 40,720.57 and 10,501.25

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Solution

The fourth proportional to 27,140.21, 40,720.57 and 10,501.25 is: 15,755.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.21 : 40,720.57 = 10,501.25 : x
  2. Step 2: Convert to fraction form
    27,140.21/40,720.57 = 10,501.25/x
  3. Step 3: Cross multiply
    27,140.21x = 40,720.57 × 10,501.25
  4. Step 4: Simplify right side
    27,140.21x = 427,616,714.93
  5. Step 5: Solve for x
    x = 427,616,714.93/27,140.21
  6. Step 6: Final answer
    x = 15,755.83

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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.