Home / 28,359.56-39,140.10-16,426.64

Finding the Fourth Proportional to 28,359.56, 39,140.10 and 16,426.64

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Solution

The fourth proportional to 28,359.56, 39,140.10 and 16,426.64 is: 22,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.56 : 39,140.10 = 16,426.64 : x
  2. Step 2: Convert to fraction form
    28,359.56/39,140.10 = 16,426.64/x
  3. Step 3: Cross multiply
    28,359.56x = 39,140.10 × 16,426.64
  4. Step 4: Simplify right side
    28,359.56x = 642,940,332.26
  5. Step 5: Solve for x
    x = 642,940,332.26/28,359.56
  6. Step 6: Final answer
    x = 22,671.03

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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.