Home / 26,931.61-40,400.19-10,305.63

Finding the Fourth Proportional to 26,931.61, 40,400.19 and 10,305.63

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Solution

The fourth proportional to 26,931.61, 40,400.19 and 10,305.63 is: 15,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.61 : 40,400.19 = 10,305.63 : x
  2. Step 2: Convert to fraction form
    26,931.61/40,400.19 = 10,305.63/x
  3. Step 3: Cross multiply
    26,931.61x = 40,400.19 × 10,305.63
  4. Step 4: Simplify right side
    26,931.61x = 416,349,439.05
  5. Step 5: Solve for x
    x = 416,349,439.05/26,931.61
  6. Step 6: Final answer
    x = 15,459.51

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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.