Home / 19,239.34-26,565.31-14,755.99

Finding the Fourth Proportional to 19,239.34, 26,565.31 and 14,755.99

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Solution

The fourth proportional to 19,239.34, 26,565.31 and 14,755.99 is: 20,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.34 : 26,565.31 = 14,755.99 : x
  2. Step 2: Convert to fraction form
    19,239.34/26,565.31 = 14,755.99/x
  3. Step 3: Cross multiply
    19,239.34x = 26,565.31 × 14,755.99
  4. Step 4: Simplify right side
    19,239.34x = 391,997,315.88
  5. Step 5: Solve for x
    x = 391,997,315.88/19,239.34
  6. Step 6: Final answer
    x = 20,374.79

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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.