Home / 27,603.81-38,096.70-15,671.01

Finding the Fourth Proportional to 27,603.81, 38,096.70 and 15,671.01

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Solution

The fourth proportional to 27,603.81, 38,096.70 and 15,671.01 is: 21,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.81 : 38,096.70 = 15,671.01 : x
  2. Step 2: Convert to fraction form
    27,603.81/38,096.70 = 15,671.01/x
  3. Step 3: Cross multiply
    27,603.81x = 38,096.70 × 15,671.01
  4. Step 4: Simplify right side
    27,603.81x = 597,013,766.67
  5. Step 5: Solve for x
    x = 597,013,766.67/27,603.81
  6. Step 6: Final answer
    x = 21,627.95

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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.