Home / 26,420.40-39,679.92-23,258.96

Finding the Fourth Proportional to 26,420.40, 39,679.92 and 23,258.96

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Solution

The fourth proportional to 26,420.40, 39,679.92 and 23,258.96 is: 34,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.40 : 39,679.92 = 23,258.96 : x
  2. Step 2: Convert to fraction form
    26,420.40/39,679.92 = 23,258.96/x
  3. Step 3: Cross multiply
    26,420.40x = 39,679.92 × 23,258.96
  4. Step 4: Simplify right side
    26,420.40x = 922,913,672.08
  5. Step 5: Solve for x
    x = 922,913,672.08/26,420.40
  6. Step 6: Final answer
    x = 34,931.86

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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.