Home / 26,459.04-39,688.80-8,689.44

Finding the Fourth Proportional to 26,459.04, 39,688.80 and 8,689.44

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Solution

The fourth proportional to 26,459.04, 39,688.80 and 8,689.44 is: 13,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.04 : 39,688.80 = 8,689.44 : x
  2. Step 2: Convert to fraction form
    26,459.04/39,688.80 = 8,689.44/x
  3. Step 3: Cross multiply
    26,459.04x = 39,688.80 × 8,689.44
  4. Step 4: Simplify right side
    26,459.04x = 344,873,446.27
  5. Step 5: Solve for x
    x = 344,873,446.27/26,459.04
  6. Step 6: Final answer
    x = 13,034.24

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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.