Home / 26,228.20-39,347.10-10,647.40

Finding the Fourth Proportional to 26,228.20, 39,347.10 and 10,647.40

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Solution

The fourth proportional to 26,228.20, 39,347.10 and 10,647.40 is: 15,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.20 : 39,347.10 = 10,647.40 : x
  2. Step 2: Convert to fraction form
    26,228.20/39,347.10 = 10,647.40/x
  3. Step 3: Cross multiply
    26,228.20x = 39,347.10 × 10,647.40
  4. Step 4: Simplify right side
    26,228.20x = 418,944,312.54
  5. Step 5: Solve for x
    x = 418,944,312.54/26,228.20
  6. Step 6: Final answer
    x = 15,973.05

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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.