Home / 26,209.92-39,307.98-17,888.40

Finding the Fourth Proportional to 26,209.92, 39,307.98 and 17,888.40

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Solution

The fourth proportional to 26,209.92, 39,307.98 and 17,888.40 is: 26,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.92 : 39,307.98 = 17,888.40 : x
  2. Step 2: Convert to fraction form
    26,209.92/39,307.98 = 17,888.40/x
  3. Step 3: Cross multiply
    26,209.92x = 39,307.98 × 17,888.40
  4. Step 4: Simplify right side
    26,209.92x = 703,156,869.43
  5. Step 5: Solve for x
    x = 703,156,869.43/26,209.92
  6. Step 6: Final answer
    x = 26,827.89

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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.