Home / 21,927.69-32,886.06-8,603.40

Finding the Fourth Proportional to 21,927.69, 32,886.06 and 8,603.40

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Solution

The fourth proportional to 21,927.69, 32,886.06 and 8,603.40 is: 12,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.69 : 32,886.06 = 8,603.40 : x
  2. Step 2: Convert to fraction form
    21,927.69/32,886.06 = 8,603.40/x
  3. Step 3: Cross multiply
    21,927.69x = 32,886.06 × 8,603.40
  4. Step 4: Simplify right side
    21,927.69x = 282,931,928.60
  5. Step 5: Solve for x
    x = 282,931,928.60/21,927.69
  6. Step 6: Final answer
    x = 12,902.95

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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.