Home / 28,225.47-42,323.07-9,499.29

Finding the Fourth Proportional to 28,225.47, 42,323.07 and 9,499.29

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Solution

The fourth proportional to 28,225.47, 42,323.07 and 9,499.29 is: 14,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.47 : 42,323.07 = 9,499.29 : x
  2. Step 2: Convert to fraction form
    28,225.47/42,323.07 = 9,499.29/x
  3. Step 3: Cross multiply
    28,225.47x = 42,323.07 × 9,499.29
  4. Step 4: Simplify right side
    28,225.47x = 402,039,115.62
  5. Step 5: Solve for x
    x = 402,039,115.62/28,225.47
  6. Step 6: Final answer
    x = 14,243.84

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1.5x scale

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.