Home / 26,239.68-39,368.64-8,710.88

Finding the Fourth Proportional to 26,239.68, 39,368.64 and 8,710.88

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Solution

The fourth proportional to 26,239.68, 39,368.64 and 8,710.88 is: 13,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.68 : 39,368.64 = 8,710.88 : x
  2. Step 2: Convert to fraction form
    26,239.68/39,368.64 = 8,710.88/x
  3. Step 3: Cross multiply
    26,239.68x = 39,368.64 × 8,710.88
  4. Step 4: Simplify right side
    26,239.68x = 342,935,498.80
  5. Step 5: Solve for x
    x = 342,935,498.80/26,239.68
  6. Step 6: Final answer
    x = 13,069.35

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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.