Home / 28,735.47-39,654.68-16,159.95

Finding the Fourth Proportional to 28,735.47, 39,654.68 and 16,159.95

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Solution

The fourth proportional to 28,735.47, 39,654.68 and 16,159.95 is: 22,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.47 : 39,654.68 = 16,159.95 : x
  2. Step 2: Convert to fraction form
    28,735.47/39,654.68 = 16,159.95/x
  3. Step 3: Cross multiply
    28,735.47x = 39,654.68 × 16,159.95
  4. Step 4: Simplify right side
    28,735.47x = 640,817,646.07
  5. Step 5: Solve for x
    x = 640,817,646.07/28,735.47
  6. Step 6: Final answer
    x = 22,300.58

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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.