Home / 19,019.60-28,530.75-5,870.25

Finding the Fourth Proportional to 19,019.60, 28,530.75 and 5,870.25

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Solution

The fourth proportional to 19,019.60, 28,530.75 and 5,870.25 is: 8,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.60 : 28,530.75 = 5,870.25 : x
  2. Step 2: Convert to fraction form
    19,019.60/28,530.75 = 5,870.25/x
  3. Step 3: Cross multiply
    19,019.60x = 28,530.75 × 5,870.25
  4. Step 4: Simplify right side
    19,019.60x = 167,482,635.19
  5. Step 5: Solve for x
    x = 167,482,635.19/19,019.60
  6. Step 6: Final answer
    x = 8,805.79

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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.