Home / 43,281.44-64,870.08-28,295.60

Finding the Fourth Proportional to 43,281.44, 64,870.08 and 28,295.60

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Solution

The fourth proportional to 43,281.44, 64,870.08 and 28,295.60 is: 42,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.44 : 64,870.08 = 28,295.60 : x
  2. Step 2: Convert to fraction form
    43,281.44/64,870.08 = 28,295.60/x
  3. Step 3: Cross multiply
    43,281.44x = 64,870.08 × 28,295.60
  4. Step 4: Simplify right side
    43,281.44x = 1,835,537,835.65
  5. Step 5: Solve for x
    x = 1,835,537,835.65/43,281.44
  6. Step 6: Final answer
    x = 42,409.35

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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.