Home / 28,759.48-39,688.88-16,184.68

Finding the Fourth Proportional to 28,759.48, 39,688.88 and 16,184.68

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Solution

The fourth proportional to 28,759.48, 39,688.88 and 16,184.68 is: 22,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.48 : 39,688.88 = 16,184.68 : x
  2. Step 2: Convert to fraction form
    28,759.48/39,688.88 = 16,184.68/x
  3. Step 3: Cross multiply
    28,759.48x = 39,688.88 × 16,184.68
  4. Step 4: Simplify right side
    28,759.48x = 642,351,822.36
  5. Step 5: Solve for x
    x = 642,351,822.36/28,759.48
  6. Step 6: Final answer
    x = 22,335.31

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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.