Home / 27,738.02-38,276.47-17,127.83

Finding the Fourth Proportional to 27,738.02, 38,276.47 and 17,127.83

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Solution

The fourth proportional to 27,738.02, 38,276.47 and 17,127.83 is: 23,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.02 : 38,276.47 = 17,127.83 : x
  2. Step 2: Convert to fraction form
    27,738.02/38,276.47 = 17,127.83/x
  3. Step 3: Cross multiply
    27,738.02x = 38,276.47 × 17,127.83
  4. Step 4: Simplify right side
    27,738.02x = 655,592,871.16
  5. Step 5: Solve for x
    x = 655,592,871.16/27,738.02
  6. Step 6: Final answer
    x = 23,635.17

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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.