Home / 22,931.16-34,396.74-15,138.14

Finding the Fourth Proportional to 22,931.16, 34,396.74 and 15,138.14

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Solution

The fourth proportional to 22,931.16, 34,396.74 and 15,138.14 is: 22,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.16 : 34,396.74 = 15,138.14 : x
  2. Step 2: Convert to fraction form
    22,931.16/34,396.74 = 15,138.14/x
  3. Step 3: Cross multiply
    22,931.16x = 34,396.74 × 15,138.14
  4. Step 4: Simplify right side
    22,931.16x = 520,702,665.66
  5. Step 5: Solve for x
    x = 520,702,665.66/22,931.16
  6. Step 6: Final answer
    x = 22,707.21

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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.