Home / 27,820.74-38,370.28-24,456.40

Finding the Fourth Proportional to 27,820.74, 38,370.28 and 24,456.40

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Solution

The fourth proportional to 27,820.74, 38,370.28 and 24,456.40 is: 33,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.74 : 38,370.28 = 24,456.40 : x
  2. Step 2: Convert to fraction form
    27,820.74/38,370.28 = 24,456.40/x
  3. Step 3: Cross multiply
    27,820.74x = 38,370.28 × 24,456.40
  4. Step 4: Simplify right side
    27,820.74x = 938,398,915.79
  5. Step 5: Solve for x
    x = 938,398,915.79/27,820.74
  6. Step 6: Final answer
    x = 33,730.19

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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.