Home / 26,047.80-39,071.70-8,519.40

Finding the Fourth Proportional to 26,047.80, 39,071.70 and 8,519.40

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Solution

The fourth proportional to 26,047.80, 39,071.70 and 8,519.40 is: 12,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,047.80 : 39,071.70 = 8,519.40 : x
  2. Step 2: Convert to fraction form
    26,047.80/39,071.70 = 8,519.40/x
  3. Step 3: Cross multiply
    26,047.80x = 39,071.70 × 8,519.40
  4. Step 4: Simplify right side
    26,047.80x = 332,867,440.98
  5. Step 5: Solve for x
    x = 332,867,440.98/26,047.80
  6. Step 6: Final answer
    x = 12,779.10

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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.