Home / 28,700.34-39,605.79-16,599.93

Finding the Fourth Proportional to 28,700.34, 39,605.79 and 16,599.93

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Solution

The fourth proportional to 28,700.34, 39,605.79 and 16,599.93 is: 22,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.34 : 39,605.79 = 16,599.93 : x
  2. Step 2: Convert to fraction form
    28,700.34/39,605.79 = 16,599.93/x
  3. Step 3: Cross multiply
    28,700.34x = 39,605.79 × 16,599.93
  4. Step 4: Simplify right side
    28,700.34x = 657,453,341.59
  5. Step 5: Solve for x
    x = 657,453,341.59/28,700.34
  6. Step 6: Final answer
    x = 22,907.51

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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.