Home / 28,320.24-42,477.62-8,598.97

Finding the Fourth Proportional to 28,320.24, 42,477.62 and 8,598.97

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Solution

The fourth proportional to 28,320.24, 42,477.62 and 8,598.97 is: 12,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320.24 : 42,477.62 = 8,598.97 : x
  2. Step 2: Convert to fraction form
    28,320.24/42,477.62 = 8,598.97/x
  3. Step 3: Cross multiply
    28,320.24x = 42,477.62 × 8,598.97
  4. Step 4: Simplify right side
    28,320.24x = 365,263,670.69
  5. Step 5: Solve for x
    x = 365,263,670.69/28,320.24
  6. Step 6: Final answer
    x = 12,897.62

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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.