Home / 23,688-35,529.48-12,582.90

Finding the Fourth Proportional to 23,688, 35,529.48 and 12,582.90

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Solution

The fourth proportional to 23,688, 35,529.48 and 12,582.90 is: 18,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688 : 35,529.48 = 12,582.90 : x
  2. Step 2: Convert to fraction form
    23,688/35,529.48 = 12,582.90/x
  3. Step 3: Cross multiply
    23,688x = 35,529.48 × 12,582.90
  4. Step 4: Simplify right side
    23,688x = 447,063,893.89
  5. Step 5: Solve for x
    x = 447,063,893.89/23,688
  6. Step 6: Final answer
    x = 18,873.01

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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.