Home / 42,894.93-59,121.08-28,529.07

Finding the Fourth Proportional to 42,894.93, 59,121.08 and 28,529.07

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Solution

The fourth proportional to 42,894.93, 59,121.08 and 28,529.07 is: 39,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,894.93 : 59,121.08 = 28,529.07 : x
  2. Step 2: Convert to fraction form
    42,894.93/59,121.08 = 28,529.07/x
  3. Step 3: Cross multiply
    42,894.93x = 59,121.08 × 28,529.07
  4. Step 4: Simplify right side
    42,894.93x = 1,686,669,287.15
  5. Step 5: Solve for x
    x = 1,686,669,287.15/42,894.93
  6. Step 6: Final answer
    x = 39,320.95

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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.