Home / 27,970.02-41,955.05-19,178.28

Finding the Fourth Proportional to 27,970.02, 41,955.05 and 19,178.28

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Solution

The fourth proportional to 27,970.02, 41,955.05 and 19,178.28 is: 28,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.02 : 41,955.05 = 19,178.28 : x
  2. Step 2: Convert to fraction form
    27,970.02/41,955.05 = 19,178.28/x
  3. Step 3: Cross multiply
    27,970.02x = 41,955.05 × 19,178.28
  4. Step 4: Simplify right side
    27,970.02x = 804,625,600.42
  5. Step 5: Solve for x
    x = 804,625,600.42/27,970.02
  6. Step 6: Final answer
    x = 28,767.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.