Home / 27,921.02-38,539.97-17,876.51

Finding the Fourth Proportional to 27,921.02, 38,539.97 and 17,876.51

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Solution

The fourth proportional to 27,921.02, 38,539.97 and 17,876.51 is: 24,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.02 : 38,539.97 = 17,876.51 : x
  2. Step 2: Convert to fraction form
    27,921.02/38,539.97 = 17,876.51/x
  3. Step 3: Cross multiply
    27,921.02x = 38,539.97 × 17,876.51
  4. Step 4: Simplify right side
    27,921.02x = 688,960,011.10
  5. Step 5: Solve for x
    x = 688,960,011.10/27,921.02
  6. Step 6: Final answer
    x = 24,675.32

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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.