Home / 26,746.99-36,909.60-15,418.51

Finding the Fourth Proportional to 26,746.99, 36,909.60 and 15,418.51

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Solution

The fourth proportional to 26,746.99, 36,909.60 and 15,418.51 is: 21,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,746.99 : 36,909.60 = 15,418.51 : x
  2. Step 2: Convert to fraction form
    26,746.99/36,909.60 = 15,418.51/x
  3. Step 3: Cross multiply
    26,746.99x = 36,909.60 × 15,418.51
  4. Step 4: Simplify right side
    26,746.99x = 569,091,036.70
  5. Step 5: Solve for x
    x = 569,091,036.70/26,746.99
  6. Step 6: Final answer
    x = 21,276.83

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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.