Home / 26,717.78-36,870.37-14,780.86

Finding the Fourth Proportional to 26,717.78, 36,870.37 and 14,780.86

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Solution

The fourth proportional to 26,717.78, 36,870.37 and 14,780.86 is: 20,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.78 : 36,870.37 = 14,780.86 : x
  2. Step 2: Convert to fraction form
    26,717.78/36,870.37 = 14,780.86/x
  3. Step 3: Cross multiply
    26,717.78x = 36,870.37 × 14,780.86
  4. Step 4: Simplify right side
    26,717.78x = 544,975,647.99
  5. Step 5: Solve for x
    x = 544,975,647.99/26,717.78
  6. Step 6: Final answer
    x = 20,397.49

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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.