Home / 26,959.89-40,457.84-9,429.72

Finding the Fourth Proportional to 26,959.89, 40,457.84 and 9,429.72

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Solution

The fourth proportional to 26,959.89, 40,457.84 and 9,429.72 is: 14,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.89 : 40,457.84 = 9,429.72 : x
  2. Step 2: Convert to fraction form
    26,959.89/40,457.84 = 9,429.72/x
  3. Step 3: Cross multiply
    26,959.89x = 40,457.84 × 9,429.72
  4. Step 4: Simplify right side
    26,959.89x = 381,506,055.86
  5. Step 5: Solve for x
    x = 381,506,055.86/26,959.89
  6. Step 6: Final answer
    x = 14,150.87

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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.