Home / 27,042.26-40,536.02-12,981.74

Finding the Fourth Proportional to 27,042.26, 40,536.02 and 12,981.74

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Solution

The fourth proportional to 27,042.26, 40,536.02 and 12,981.74 is: 19,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.26 : 40,536.02 = 12,981.74 : x
  2. Step 2: Convert to fraction form
    27,042.26/40,536.02 = 12,981.74/x
  3. Step 3: Cross multiply
    27,042.26x = 40,536.02 × 12,981.74
  4. Step 4: Simplify right side
    27,042.26x = 526,227,902.05
  5. Step 5: Solve for x
    x = 526,227,902.05/27,042.26
  6. Step 6: Final answer
    x = 19,459.47

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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.