Home / 28,762.61-43,145.77-9,041.93

Finding the Fourth Proportional to 28,762.61, 43,145.77 and 9,041.93

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Solution

The fourth proportional to 28,762.61, 43,145.77 and 9,041.93 is: 13,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.61 : 43,145.77 = 9,041.93 : x
  2. Step 2: Convert to fraction form
    28,762.61/43,145.77 = 9,041.93/x
  3. Step 3: Cross multiply
    28,762.61x = 43,145.77 × 9,041.93
  4. Step 4: Simplify right side
    28,762.61x = 390,120,793.80
  5. Step 5: Solve for x
    x = 390,120,793.80/28,762.61
  6. Step 6: Final answer
    x = 13,563.47

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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.