Home / 28,298.52-39,055.37-16,364.79

Finding the Fourth Proportional to 28,298.52, 39,055.37 and 16,364.79

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Solution

The fourth proportional to 28,298.52, 39,055.37 and 16,364.79 is: 22,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.52 : 39,055.37 = 16,364.79 : x
  2. Step 2: Convert to fraction form
    28,298.52/39,055.37 = 16,364.79/x
  3. Step 3: Cross multiply
    28,298.52x = 39,055.37 × 16,364.79
  4. Step 4: Simplify right side
    28,298.52x = 639,132,846.60
  5. Step 5: Solve for x
    x = 639,132,846.60/28,298.52
  6. Step 6: Final answer
    x = 22,585.38

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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.