Home / 28,905.04-39,887.94-16,329.52

Finding the Fourth Proportional to 28,905.04, 39,887.94 and 16,329.52

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Solution

The fourth proportional to 28,905.04, 39,887.94 and 16,329.52 is: 22,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.04 : 39,887.94 = 16,329.52 : x
  2. Step 2: Convert to fraction form
    28,905.04/39,887.94 = 16,329.52/x
  3. Step 3: Cross multiply
    28,905.04x = 39,887.94 × 16,329.52
  4. Step 4: Simplify right side
    28,905.04x = 651,350,913.99
  5. Step 5: Solve for x
    x = 651,350,913.99/28,905.04
  6. Step 6: Final answer
    x = 22,534.16

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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.