Home / 28,026-42,019.56-16,935.48

Finding the Fourth Proportional to 28,026, 42,019.56 and 16,935.48

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Solution

The fourth proportional to 28,026, 42,019.56 and 16,935.48 is: 25,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026 : 42,019.56 = 16,935.48 : x
  2. Step 2: Convert to fraction form
    28,026/42,019.56 = 16,935.48/x
  3. Step 3: Cross multiply
    28,026x = 42,019.56 × 16,935.48
  4. Step 4: Simplify right side
    28,026x = 711,621,417.99
  5. Step 5: Solve for x
    x = 711,621,417.99/28,026
  6. Step 6: Final answer
    x = 25,391.47

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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.