Home / 19,313.28-26,589.12-18,328.32

Finding the Fourth Proportional to 19,313.28, 26,589.12 and 18,328.32

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Solution

The fourth proportional to 19,313.28, 26,589.12 and 18,328.32 is: 25,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.28 : 26,589.12 = 18,328.32 : x
  2. Step 2: Convert to fraction form
    19,313.28/26,589.12 = 18,328.32/x
  3. Step 3: Cross multiply
    19,313.28x = 26,589.12 × 18,328.32
  4. Step 4: Simplify right side
    19,313.28x = 487,333,899.88
  5. Step 5: Solve for x
    x = 487,333,899.88/19,313.28
  6. Step 6: Final answer
    x = 25,233.10

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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.