Home / 27,112.32-37,402.56-15,926.40

Finding the Fourth Proportional to 27,112.32, 37,402.56 and 15,926.40

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Solution

The fourth proportional to 27,112.32, 37,402.56 and 15,926.40 is: 21,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.32 : 37,402.56 = 15,926.40 : x
  2. Step 2: Convert to fraction form
    27,112.32/37,402.56 = 15,926.40/x
  3. Step 3: Cross multiply
    27,112.32x = 37,402.56 × 15,926.40
  4. Step 4: Simplify right side
    27,112.32x = 595,688,131.58
  5. Step 5: Solve for x
    x = 595,688,131.58/27,112.32
  6. Step 6: Final answer
    x = 21,971.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.