Home / 19,426-26,817.96-13,085.92

Finding the Fourth Proportional to 19,426, 26,817.96 and 13,085.92

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Solution

The fourth proportional to 19,426, 26,817.96 and 13,085.92 is: 18,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426 : 26,817.96 = 13,085.92 : x
  2. Step 2: Convert to fraction form
    19,426/26,817.96 = 13,085.92/x
  3. Step 3: Cross multiply
    19,426x = 26,817.96 × 13,085.92
  4. Step 4: Simplify right side
    19,426x = 350,937,679.12
  5. Step 5: Solve for x
    x = 350,937,679.12/19,426
  6. Step 6: Final answer
    x = 18,065.36

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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.