Home / 28,348.74-39,118.14-16,409.52

Finding the Fourth Proportional to 28,348.74, 39,118.14 and 16,409.52

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Solution

The fourth proportional to 28,348.74, 39,118.14 and 16,409.52 is: 22,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.74 : 39,118.14 = 16,409.52 : x
  2. Step 2: Convert to fraction form
    28,348.74/39,118.14 = 16,409.52/x
  3. Step 3: Cross multiply
    28,348.74x = 39,118.14 × 16,409.52
  4. Step 4: Simplify right side
    28,348.74x = 641,909,900.69
  5. Step 5: Solve for x
    x = 641,909,900.69/28,348.74
  6. Step 6: Final answer
    x = 22,643.33

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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.