Home / 21,513.60-32,270.40-14,116.32

Finding the Fourth Proportional to 21,513.60, 32,270.40 and 14,116.32

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Solution

The fourth proportional to 21,513.60, 32,270.40 and 14,116.32 is: 21,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.60 : 32,270.40 = 14,116.32 : x
  2. Step 2: Convert to fraction form
    21,513.60/32,270.40 = 14,116.32/x
  3. Step 3: Cross multiply
    21,513.60x = 32,270.40 × 14,116.32
  4. Step 4: Simplify right side
    21,513.60x = 455,539,292.93
  5. Step 5: Solve for x
    x = 455,539,292.93/21,513.60
  6. Step 6: Final answer
    x = 21,174.48

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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.