Home / 26,288.40-36,278.68-14,352

Finding the Fourth Proportional to 26,288.40, 36,278.68 and 14,352

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Solution

The fourth proportional to 26,288.40, 36,278.68 and 14,352 is: 19,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.40 : 36,278.68 = 14,352 : x
  2. Step 2: Convert to fraction form
    26,288.40/36,278.68 = 14,352/x
  3. Step 3: Cross multiply
    26,288.40x = 36,278.68 × 14,352
  4. Step 4: Simplify right side
    26,288.40x = 520,671,615.36
  5. Step 5: Solve for x
    x = 520,671,615.36/26,288.40
  6. Step 6: Final answer
    x = 19,806.14

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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.