Home / 26,078.98-35,989-14,142.31

Finding the Fourth Proportional to 26,078.98, 35,989 and 14,142.31

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Solution

The fourth proportional to 26,078.98, 35,989 and 14,142.31 is: 19,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.98 : 35,989 = 14,142.31 : x
  2. Step 2: Convert to fraction form
    26,078.98/35,989 = 14,142.31/x
  3. Step 3: Cross multiply
    26,078.98x = 35,989 × 14,142.31
  4. Step 4: Simplify right side
    26,078.98x = 508,967,594.59
  5. Step 5: Solve for x
    x = 508,967,594.59/26,078.98
  6. Step 6: Final answer
    x = 19,516.39

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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.