Home / 27,068.32-37,352.76-15,129.28

Finding the Fourth Proportional to 27,068.32, 37,352.76 and 15,129.28

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Solution

The fourth proportional to 27,068.32, 37,352.76 and 15,129.28 is: 20,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.32 : 37,352.76 = 15,129.28 : x
  2. Step 2: Convert to fraction form
    27,068.32/37,352.76 = 15,129.28/x
  3. Step 3: Cross multiply
    27,068.32x = 37,352.76 × 15,129.28
  4. Step 4: Simplify right side
    27,068.32x = 565,120,364.81
  5. Step 5: Solve for x
    x = 565,120,364.81/27,068.32
  6. Step 6: Final answer
    x = 20,877.56

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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.