Home / 26,188.65-39,307.68-17,429.72

Finding the Fourth Proportional to 26,188.65, 39,307.68 and 17,429.72

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Solution

The fourth proportional to 26,188.65, 39,307.68 and 17,429.72 is: 26,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.65 : 39,307.68 = 17,429.72 : x
  2. Step 2: Convert to fraction form
    26,188.65/39,307.68 = 17,429.72/x
  3. Step 3: Cross multiply
    26,188.65x = 39,307.68 × 17,429.72
  4. Step 4: Simplify right side
    26,188.65x = 685,121,659.71
  5. Step 5: Solve for x
    x = 685,121,659.71/26,188.65
  6. Step 6: Final answer
    x = 26,161.01

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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.