Home / 27,341.52-37,733.04-20,615.28

Finding the Fourth Proportional to 27,341.52, 37,733.04 and 20,615.28

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Solution

The fourth proportional to 27,341.52, 37,733.04 and 20,615.28 is: 28,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,341.52 : 37,733.04 = 20,615.28 : x
  2. Step 2: Convert to fraction form
    27,341.52/37,733.04 = 20,615.28/x
  3. Step 3: Cross multiply
    27,341.52x = 37,733.04 × 20,615.28
  4. Step 4: Simplify right side
    27,341.52x = 777,877,184.85
  5. Step 5: Solve for x
    x = 777,877,184.85/27,341.52
  6. Step 6: Final answer
    x = 28,450.40

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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.