Home / 26,689.60-36,831-14,752.63

Finding the Fourth Proportional to 26,689.60, 36,831 and 14,752.63

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Solution

The fourth proportional to 26,689.60, 36,831 and 14,752.63 is: 20,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.60 : 36,831 = 14,752.63 : x
  2. Step 2: Convert to fraction form
    26,689.60/36,831 = 14,752.63/x
  3. Step 3: Cross multiply
    26,689.60x = 36,831 × 14,752.63
  4. Step 4: Simplify right side
    26,689.60x = 543,354,115.53
  5. Step 5: Solve for x
    x = 543,354,115.53/26,689.60
  6. Step 6: Final answer
    x = 20,358.27

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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.