Home / 52,702.04-72,727.86-28,828.51

Finding the Fourth Proportional to 52,702.04, 72,727.86 and 28,828.51

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Solution

The fourth proportional to 52,702.04, 72,727.86 and 28,828.51 is: 39,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.04 : 72,727.86 = 28,828.51 : x
  2. Step 2: Convert to fraction form
    52,702.04/72,727.86 = 28,828.51/x
  3. Step 3: Cross multiply
    52,702.04x = 72,727.86 × 28,828.51
  4. Step 4: Simplify right side
    52,702.04x = 2,096,635,475.65
  5. Step 5: Solve for x
    x = 2,096,635,475.65/52,702.04
  6. Step 6: Final answer
    x = 39,782.81

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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.