Home / 27,841.43-38,420.75-15,094.40

Finding the Fourth Proportional to 27,841.43, 38,420.75 and 15,094.40

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Solution

The fourth proportional to 27,841.43, 38,420.75 and 15,094.40 is: 20,830.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.43 : 38,420.75 = 15,094.40 : x
  2. Step 2: Convert to fraction form
    27,841.43/38,420.75 = 15,094.40/x
  3. Step 3: Cross multiply
    27,841.43x = 38,420.75 × 15,094.40
  4. Step 4: Simplify right side
    27,841.43x = 579,938,014.43
  5. Step 5: Solve for x
    x = 579,938,014.43/27,841.43
  6. Step 6: Final answer
    x = 20,830.04

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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.