Home / 28,829.51-39,782.76-16,730.35

Finding the Fourth Proportional to 28,829.51, 39,782.76 and 16,730.35

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Solution

The fourth proportional to 28,829.51, 39,782.76 and 16,730.35 is: 23,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.51 : 39,782.76 = 16,730.35 : x
  2. Step 2: Convert to fraction form
    28,829.51/39,782.76 = 16,730.35/x
  3. Step 3: Cross multiply
    28,829.51x = 39,782.76 × 16,730.35
  4. Step 4: Simplify right side
    28,829.51x = 665,579,654.46
  5. Step 5: Solve for x
    x = 665,579,654.46/28,829.51
  6. Step 6: Final answer
    x = 23,086.75

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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.