Home / 26,890.80-40,337.40-10,258.80

Finding the Fourth Proportional to 26,890.80, 40,337.40 and 10,258.80

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Solution

The fourth proportional to 26,890.80, 40,337.40 and 10,258.80 is: 15,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.80 : 40,337.40 = 10,258.80 : x
  2. Step 2: Convert to fraction form
    26,890.80/40,337.40 = 10,258.80/x
  3. Step 3: Cross multiply
    26,890.80x = 40,337.40 × 10,258.80
  4. Step 4: Simplify right side
    26,890.80x = 413,813,319.12
  5. Step 5: Solve for x
    x = 413,813,319.12/26,890.80
  6. Step 6: Final answer
    x = 15,388.66

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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.