Home / 26,706.90-40,049.28-7,980.24

Finding the Fourth Proportional to 26,706.90, 40,049.28 and 7,980.24

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Solution

The fourth proportional to 26,706.90, 40,049.28 and 7,980.24 is: 11,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.90 : 40,049.28 = 7,980.24 : x
  2. Step 2: Convert to fraction form
    26,706.90/40,049.28 = 7,980.24/x
  3. Step 3: Cross multiply
    26,706.90x = 40,049.28 × 7,980.24
  4. Step 4: Simplify right side
    26,706.90x = 319,602,866.23
  5. Step 5: Solve for x
    x = 319,602,866.23/26,706.90
  6. Step 6: Final answer
    x = 11,967.05

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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.