Home / 28,790.37-39,730.08-16,043.49

Finding the Fourth Proportional to 28,790.37, 39,730.08 and 16,043.49

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Solution

The fourth proportional to 28,790.37, 39,730.08 and 16,043.49 is: 22,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.37 : 39,730.08 = 16,043.49 : x
  2. Step 2: Convert to fraction form
    28,790.37/39,730.08 = 16,043.49/x
  3. Step 3: Cross multiply
    28,790.37x = 39,730.08 × 16,043.49
  4. Step 4: Simplify right side
    28,790.37x = 637,409,141.18
  5. Step 5: Solve for x
    x = 637,409,141.18/28,790.37
  6. Step 6: Final answer
    x = 22,139.66

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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.