Home / 38,685.80-58,026.75-10,605.39

Finding the Fourth Proportional to 38,685.80, 58,026.75 and 10,605.39

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Solution

The fourth proportional to 38,685.80, 58,026.75 and 10,605.39 is: 15,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.80 : 58,026.75 = 10,605.39 : x
  2. Step 2: Convert to fraction form
    38,685.80/58,026.75 = 10,605.39/x
  3. Step 3: Cross multiply
    38,685.80x = 58,026.75 × 10,605.39
  4. Step 4: Simplify right side
    38,685.80x = 615,396,314.18
  5. Step 5: Solve for x
    x = 615,396,314.18/38,685.80
  6. Step 6: Final answer
    x = 15,907.55

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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.