Home / 28,509.45-39,339.59-16,574.73

Finding the Fourth Proportional to 28,509.45, 39,339.59 and 16,574.73

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Solution

The fourth proportional to 28,509.45, 39,339.59 and 16,574.73 is: 22,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.45 : 39,339.59 = 16,574.73 : x
  2. Step 2: Convert to fraction form
    28,509.45/39,339.59 = 16,574.73/x
  3. Step 3: Cross multiply
    28,509.45x = 39,339.59 × 16,574.73
  4. Step 4: Simplify right side
    28,509.45x = 652,042,999.69
  5. Step 5: Solve for x
    x = 652,042,999.69/28,509.45
  6. Step 6: Final answer
    x = 22,871.12

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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.