Home / 28,365.60-42,545.16-10,835.04

Finding the Fourth Proportional to 28,365.60, 42,545.16 and 10,835.04

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Solution

The fourth proportional to 28,365.60, 42,545.16 and 10,835.04 is: 16,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.60 : 42,545.16 = 10,835.04 : x
  2. Step 2: Convert to fraction form
    28,365.60/42,545.16 = 10,835.04/x
  3. Step 3: Cross multiply
    28,365.60x = 42,545.16 × 10,835.04
  4. Step 4: Simplify right side
    28,365.60x = 460,978,510.41
  5. Step 5: Solve for x
    x = 460,978,510.41/28,365.60
  6. Step 6: Final answer
    x = 16,251.32

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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.