Home / 28,016.84-38,679.06-18,598.28

Finding the Fourth Proportional to 28,016.84, 38,679.06 and 18,598.28

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Solution

The fourth proportional to 28,016.84, 38,679.06 and 18,598.28 is: 25,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.84 : 38,679.06 = 18,598.28 : x
  2. Step 2: Convert to fraction form
    28,016.84/38,679.06 = 18,598.28/x
  3. Step 3: Cross multiply
    28,016.84x = 38,679.06 × 18,598.28
  4. Step 4: Simplify right side
    28,016.84x = 719,363,988.02
  5. Step 5: Solve for x
    x = 719,363,988.02/28,016.84
  6. Step 6: Final answer
    x = 25,676.13

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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.