Home / 15,428.46-23,142.76-3,741.67

Finding the Fourth Proportional to 15,428.46, 23,142.76 and 3,741.67

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Solution

The fourth proportional to 15,428.46, 23,142.76 and 3,741.67 is: 5,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.46 : 23,142.76 = 3,741.67 : x
  2. Step 2: Convert to fraction form
    15,428.46/23,142.76 = 3,741.67/x
  3. Step 3: Cross multiply
    15,428.46x = 23,142.76 × 3,741.67
  4. Step 4: Simplify right side
    15,428.46x = 86,592,570.81
  5. Step 5: Solve for x
    x = 86,592,570.81/15,428.46
  6. Step 6: Final answer
    x = 5,612.52

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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.