Home / 19,318.08-26,670.72-18,126.72

Finding the Fourth Proportional to 19,318.08, 26,670.72 and 18,126.72

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Solution

The fourth proportional to 19,318.08, 26,670.72 and 18,126.72 is: 25,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.08 : 26,670.72 = 18,126.72 : x
  2. Step 2: Convert to fraction form
    19,318.08/26,670.72 = 18,126.72/x
  3. Step 3: Cross multiply
    19,318.08x = 26,670.72 × 18,126.72
  4. Step 4: Simplify right side
    19,318.08x = 483,452,673.64
  5. Step 5: Solve for x
    x = 483,452,673.64/19,318.08
  6. Step 6: Final answer
    x = 25,025.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.