Home / 26,690.61-39,952.86-16,809.12

Finding the Fourth Proportional to 26,690.61, 39,952.86 and 16,809.12

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Solution

The fourth proportional to 26,690.61, 39,952.86 and 16,809.12 is: 25,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.61 : 39,952.86 = 16,809.12 : x
  2. Step 2: Convert to fraction form
    26,690.61/39,952.86 = 16,809.12/x
  3. Step 3: Cross multiply
    26,690.61x = 39,952.86 × 16,809.12
  4. Step 4: Simplify right side
    26,690.61x = 671,572,418.08
  5. Step 5: Solve for x
    x = 671,572,418.08/26,690.61
  6. Step 6: Final answer
    x = 25,161.37

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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.