Home / 28,598.94-42,901.29-9,876.51

Finding the Fourth Proportional to 28,598.94, 42,901.29 and 9,876.51

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Solution

The fourth proportional to 28,598.94, 42,901.29 and 9,876.51 is: 14,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.94 : 42,901.29 = 9,876.51 : x
  2. Step 2: Convert to fraction form
    28,598.94/42,901.29 = 9,876.51/x
  3. Step 3: Cross multiply
    28,598.94x = 42,901.29 × 9,876.51
  4. Step 4: Simplify right side
    28,598.94x = 423,715,019.70
  5. Step 5: Solve for x
    x = 423,715,019.70/28,598.94
  6. Step 6: Final answer
    x = 14,815.76

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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.