Home / 23,081.76-31,868.64-14,709.60

Finding the Fourth Proportional to 23,081.76, 31,868.64 and 14,709.60

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Solution

The fourth proportional to 23,081.76, 31,868.64 and 14,709.60 is: 20,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.76 : 31,868.64 = 14,709.60 : x
  2. Step 2: Convert to fraction form
    23,081.76/31,868.64 = 14,709.60/x
  3. Step 3: Cross multiply
    23,081.76x = 31,868.64 × 14,709.60
  4. Step 4: Simplify right side
    23,081.76x = 468,774,946.94
  5. Step 5: Solve for x
    x = 468,774,946.94/23,081.76
  6. Step 6: Final answer
    x = 20,309.32

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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.