Home / 15,621.90-23,396.40-15,308.70

Finding the Fourth Proportional to 15,621.90, 23,396.40 and 15,308.70

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Solution

The fourth proportional to 15,621.90, 23,396.40 and 15,308.70 is: 22,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.90 : 23,396.40 = 15,308.70 : x
  2. Step 2: Convert to fraction form
    15,621.90/23,396.40 = 15,308.70/x
  3. Step 3: Cross multiply
    15,621.90x = 23,396.40 × 15,308.70
  4. Step 4: Simplify right side
    15,621.90x = 358,168,468.68
  5. Step 5: Solve for x
    x = 358,168,468.68/15,621.90
  6. Step 6: Final answer
    x = 22,927.33

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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.