Home / 27,922.02-38,534.13-15,985.10

Finding the Fourth Proportional to 27,922.02, 38,534.13 and 15,985.10

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Solution

The fourth proportional to 27,922.02, 38,534.13 and 15,985.10 is: 22,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,922.02 : 38,534.13 = 15,985.10 : x
  2. Step 2: Convert to fraction form
    27,922.02/38,534.13 = 15,985.10/x
  3. Step 3: Cross multiply
    27,922.02x = 38,534.13 × 15,985.10
  4. Step 4: Simplify right side
    27,922.02x = 615,971,801.04
  5. Step 5: Solve for x
    x = 615,971,801.04/27,922.02
  6. Step 6: Final answer
    x = 22,060.43

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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.