Home / 26,111.20-39,152.40-10,511.20

Finding the Fourth Proportional to 26,111.20, 39,152.40 and 10,511.20

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Solution

The fourth proportional to 26,111.20, 39,152.40 and 10,511.20 is: 15,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.20 : 39,152.40 = 10,511.20 : x
  2. Step 2: Convert to fraction form
    26,111.20/39,152.40 = 10,511.20/x
  3. Step 3: Cross multiply
    26,111.20x = 39,152.40 × 10,511.20
  4. Step 4: Simplify right side
    26,111.20x = 411,538,706.88
  5. Step 5: Solve for x
    x = 411,538,706.88/26,111.20
  6. Step 6: Final answer
    x = 15,761.00

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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.