Home / 26,278.68-39,417.06-7,810.20

Finding the Fourth Proportional to 26,278.68, 39,417.06 and 7,810.20

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Solution

The fourth proportional to 26,278.68, 39,417.06 and 7,810.20 is: 11,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.68 : 39,417.06 = 7,810.20 : x
  2. Step 2: Convert to fraction form
    26,278.68/39,417.06 = 7,810.20/x
  3. Step 3: Cross multiply
    26,278.68x = 39,417.06 × 7,810.20
  4. Step 4: Simplify right side
    26,278.68x = 307,855,122.01
  5. Step 5: Solve for x
    x = 307,855,122.01/26,278.68
  6. Step 6: Final answer
    x = 11,715.01

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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.