Home / 28,203.95-42,259.77-17,076.93

Finding the Fourth Proportional to 28,203.95, 42,259.77 and 17,076.93

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Solution

The fourth proportional to 28,203.95, 42,259.77 and 17,076.93 is: 25,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.95 : 42,259.77 = 17,076.93 : x
  2. Step 2: Convert to fraction form
    28,203.95/42,259.77 = 17,076.93/x
  3. Step 3: Cross multiply
    28,203.95x = 42,259.77 × 17,076.93
  4. Step 4: Simplify right side
    28,203.95x = 721,667,134.11
  5. Step 5: Solve for x
    x = 721,667,134.11/28,203.95
  6. Step 6: Final answer
    x = 25,587.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.