Home / 21,790.08-32,656.50-10,077.48

Finding the Fourth Proportional to 21,790.08, 32,656.50 and 10,077.48

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Solution

The fourth proportional to 21,790.08, 32,656.50 and 10,077.48 is: 15,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.08 : 32,656.50 = 10,077.48 : x
  2. Step 2: Convert to fraction form
    21,790.08/32,656.50 = 10,077.48/x
  3. Step 3: Cross multiply
    21,790.08x = 32,656.50 × 10,077.48
  4. Step 4: Simplify right side
    21,790.08x = 329,095,225.62
  5. Step 5: Solve for x
    x = 329,095,225.62/21,790.08
  6. Step 6: Final answer
    x = 15,102.98

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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.