Home / 28,362.24-39,143.52-16,426.08

Finding the Fourth Proportional to 28,362.24, 39,143.52 and 16,426.08

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Solution

The fourth proportional to 28,362.24, 39,143.52 and 16,426.08 is: 22,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.24 : 39,143.52 = 16,426.08 : x
  2. Step 2: Convert to fraction form
    28,362.24/39,143.52 = 16,426.08/x
  3. Step 3: Cross multiply
    28,362.24x = 39,143.52 × 16,426.08
  4. Step 4: Simplify right side
    28,362.24x = 642,974,591.00
  5. Step 5: Solve for x
    x = 642,974,591.00/28,362.24
  6. Step 6: Final answer
    x = 22,670.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.