Home / 26,636.30-36,746.88-18,683.72

Finding the Fourth Proportional to 26,636.30, 36,746.88 and 18,683.72

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Solution

The fourth proportional to 26,636.30, 36,746.88 and 18,683.72 is: 25,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.30 : 36,746.88 = 18,683.72 : x
  2. Step 2: Convert to fraction form
    26,636.30/36,746.88 = 18,683.72/x
  3. Step 3: Cross multiply
    26,636.30x = 36,746.88 × 18,683.72
  4. Step 4: Simplify right side
    26,636.30x = 686,568,233.06
  5. Step 5: Solve for x
    x = 686,568,233.06/26,636.30
  6. Step 6: Final answer
    x = 25,775.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.