Home / 21,827.07-30,113.37-14,277.60

Finding the Fourth Proportional to 21,827.07, 30,113.37 and 14,277.60

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Solution

The fourth proportional to 21,827.07, 30,113.37 and 14,277.60 is: 19,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.07 : 30,113.37 = 14,277.60 : x
  2. Step 2: Convert to fraction form
    21,827.07/30,113.37 = 14,277.60/x
  3. Step 3: Cross multiply
    21,827.07x = 30,113.37 × 14,277.60
  4. Step 4: Simplify right side
    21,827.07x = 429,946,651.51
  5. Step 5: Solve for x
    x = 429,946,651.51/21,827.07
  6. Step 6: Final answer
    x = 19,697.86

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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.