Home / 27,954.02-41,921.85-10,421.30

Finding the Fourth Proportional to 27,954.02, 41,921.85 and 10,421.30

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Solution

The fourth proportional to 27,954.02, 41,921.85 and 10,421.30 is: 15,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.02 : 41,921.85 = 10,421.30 : x
  2. Step 2: Convert to fraction form
    27,954.02/41,921.85 = 10,421.30/x
  3. Step 3: Cross multiply
    27,954.02x = 41,921.85 × 10,421.30
  4. Step 4: Simplify right side
    27,954.02x = 436,880,175.41
  5. Step 5: Solve for x
    x = 436,880,175.41/27,954.02
  6. Step 6: Final answer
    x = 15,628.53

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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.