Home / 26,543.46-39,808.76-7,818.40

Finding the Fourth Proportional to 26,543.46, 39,808.76 and 7,818.40

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Solution

The fourth proportional to 26,543.46, 39,808.76 and 7,818.40 is: 11,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.46 : 39,808.76 = 7,818.40 : x
  2. Step 2: Convert to fraction form
    26,543.46/39,808.76 = 7,818.40/x
  3. Step 3: Cross multiply
    26,543.46x = 39,808.76 × 7,818.40
  4. Step 4: Simplify right side
    26,543.46x = 311,240,809.18
  5. Step 5: Solve for x
    x = 311,240,809.18/26,543.46
  6. Step 6: Final answer
    x = 11,725.71

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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.