Home / 28,664-39,556.60-16,089.02

Finding the Fourth Proportional to 28,664, 39,556.60 and 16,089.02

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Solution

The fourth proportional to 28,664, 39,556.60 and 16,089.02 is: 22,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664 : 39,556.60 = 16,089.02 : x
  2. Step 2: Convert to fraction form
    28,664/39,556.60 = 16,089.02/x
  3. Step 3: Cross multiply
    28,664x = 39,556.60 × 16,089.02
  4. Step 4: Simplify right side
    28,664x = 636,426,928.53
  5. Step 5: Solve for x
    x = 636,426,928.53/28,664
  6. Step 6: Final answer
    x = 22,203.00

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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.