Home / 26,626.08-39,885.66-13,258.80

Finding the Fourth Proportional to 26,626.08, 39,885.66 and 13,258.80

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Solution

The fourth proportional to 26,626.08, 39,885.66 and 13,258.80 is: 19,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.08 : 39,885.66 = 13,258.80 : x
  2. Step 2: Convert to fraction form
    26,626.08/39,885.66 = 13,258.80/x
  3. Step 3: Cross multiply
    26,626.08x = 39,885.66 × 13,258.80
  4. Step 4: Simplify right side
    26,626.08x = 528,835,988.81
  5. Step 5: Solve for x
    x = 528,835,988.81/26,626.08
  6. Step 6: Final answer
    x = 19,861.58

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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.