Home / 27,821.52-38,397.60-17,746.74

Finding the Fourth Proportional to 27,821.52, 38,397.60 and 17,746.74

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Solution

The fourth proportional to 27,821.52, 38,397.60 and 17,746.74 is: 24,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.52 : 38,397.60 = 17,746.74 : x
  2. Step 2: Convert to fraction form
    27,821.52/38,397.60 = 17,746.74/x
  3. Step 3: Cross multiply
    27,821.52x = 38,397.60 × 17,746.74
  4. Step 4: Simplify right side
    27,821.52x = 681,432,223.82
  5. Step 5: Solve for x
    x = 681,432,223.82/27,821.52
  6. Step 6: Final answer
    x = 24,492.99

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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.