Home / 26,124.36-39,187.80-12,809.52

Finding the Fourth Proportional to 26,124.36, 39,187.80 and 12,809.52

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Solution

The fourth proportional to 26,124.36, 39,187.80 and 12,809.52 is: 19,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,124.36 : 39,187.80 = 12,809.52 : x
  2. Step 2: Convert to fraction form
    26,124.36/39,187.80 = 12,809.52/x
  3. Step 3: Cross multiply
    26,124.36x = 39,187.80 × 12,809.52
  4. Step 4: Simplify right side
    26,124.36x = 501,976,907.86
  5. Step 5: Solve for x
    x = 501,976,907.86/26,124.36
  6. Step 6: Final answer
    x = 19,214.90

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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.