Home / 26,014.40-39,021.60-10,443.20

Finding the Fourth Proportional to 26,014.40, 39,021.60 and 10,443.20

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Solution

The fourth proportional to 26,014.40, 39,021.60 and 10,443.20 is: 15,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,014.40 : 39,021.60 = 10,443.20 : x
  2. Step 2: Convert to fraction form
    26,014.40/39,021.60 = 10,443.20/x
  3. Step 3: Cross multiply
    26,014.40x = 39,021.60 × 10,443.20
  4. Step 4: Simplify right side
    26,014.40x = 407,510,373.12
  5. Step 5: Solve for x
    x = 407,510,373.12/26,014.40
  6. Step 6: Final answer
    x = 15,664.80

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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.