Home / 26,886.91-40,331.30-7,165.51

Finding the Fourth Proportional to 26,886.91, 40,331.30 and 7,165.51

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Solution

The fourth proportional to 26,886.91, 40,331.30 and 7,165.51 is: 10,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.91 : 40,331.30 = 7,165.51 : x
  2. Step 2: Convert to fraction form
    26,886.91/40,331.30 = 7,165.51/x
  3. Step 3: Cross multiply
    26,886.91x = 40,331.30 × 7,165.51
  4. Step 4: Simplify right side
    26,886.91x = 288,994,333.46
  5. Step 5: Solve for x
    x = 288,994,333.46/26,886.91
  6. Step 6: Final answer
    x = 10,748.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.