Home / 15,762.12-23,621.58-15,289.08

Finding the Fourth Proportional to 15,762.12, 23,621.58 and 15,289.08

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Solution

The fourth proportional to 15,762.12, 23,621.58 and 15,289.08 is: 22,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.12 : 23,621.58 = 15,289.08 : x
  2. Step 2: Convert to fraction form
    15,762.12/23,621.58 = 15,289.08/x
  3. Step 3: Cross multiply
    15,762.12x = 23,621.58 × 15,289.08
  4. Step 4: Simplify right side
    15,762.12x = 361,152,226.35
  5. Step 5: Solve for x
    x = 361,152,226.35/15,762.12
  6. Step 6: Final answer
    x = 22,912.67

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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.