Home / 26,715.09-40,057.83-10,931.20

Finding the Fourth Proportional to 26,715.09, 40,057.83 and 10,931.20

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Solution

The fourth proportional to 26,715.09, 40,057.83 and 10,931.20 is: 16,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.09 : 40,057.83 = 10,931.20 : x
  2. Step 2: Convert to fraction form
    26,715.09/40,057.83 = 10,931.20/x
  3. Step 3: Cross multiply
    26,715.09x = 40,057.83 × 10,931.20
  4. Step 4: Simplify right side
    26,715.09x = 437,880,151.30
  5. Step 5: Solve for x
    x = 437,880,151.30/26,715.09
  6. Step 6: Final answer
    x = 16,390.74

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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.