Home / 19,517.88-26,916.48-18,068.16

Finding the Fourth Proportional to 19,517.88, 26,916.48 and 18,068.16

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Solution

The fourth proportional to 19,517.88, 26,916.48 and 18,068.16 is: 24,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.88 : 26,916.48 = 18,068.16 : x
  2. Step 2: Convert to fraction form
    19,517.88/26,916.48 = 18,068.16/x
  3. Step 3: Cross multiply
    19,517.88x = 26,916.48 × 18,068.16
  4. Step 4: Simplify right side
    19,517.88x = 486,331,267.28
  5. Step 5: Solve for x
    x = 486,331,267.28/19,517.88
  6. Step 6: Final answer
    x = 24,917.22

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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.