Home / 21,877.08-32,820.81-7,085.98

Finding the Fourth Proportional to 21,877.08, 32,820.81 and 7,085.98

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Solution

The fourth proportional to 21,877.08, 32,820.81 and 7,085.98 is: 10,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,877.08 : 32,820.81 = 7,085.98 : x
  2. Step 2: Convert to fraction form
    21,877.08/32,820.81 = 7,085.98/x
  3. Step 3: Cross multiply
    21,877.08x = 32,820.81 × 7,085.98
  4. Step 4: Simplify right side
    21,877.08x = 232,567,603.24
  5. Step 5: Solve for x
    x = 232,567,603.24/21,877.08
  6. Step 6: Final answer
    x = 10,630.65

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1.5x scale

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.