Home / 15,428.02-23,142.12-3,741.22

Finding the Fourth Proportional to 15,428.02, 23,142.12 and 3,741.22

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Solution

The fourth proportional to 15,428.02, 23,142.12 and 3,741.22 is: 5,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.02 : 23,142.12 = 3,741.22 : x
  2. Step 2: Convert to fraction form
    15,428.02/23,142.12 = 3,741.22/x
  3. Step 3: Cross multiply
    15,428.02x = 23,142.12 × 3,741.22
  4. Step 4: Simplify right side
    15,428.02x = 86,579,762.19
  5. Step 5: Solve for x
    x = 86,579,762.19/15,428.02
  6. Step 6: Final answer
    x = 5,611.85

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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.