Home / 19,285.39-28,926.21-13,085.25

Finding the Fourth Proportional to 19,285.39, 28,926.21 and 13,085.25

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Solution

The fourth proportional to 19,285.39, 28,926.21 and 13,085.25 is: 19,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.39 : 28,926.21 = 13,085.25 : x
  2. Step 2: Convert to fraction form
    19,285.39/28,926.21 = 13,085.25/x
  3. Step 3: Cross multiply
    19,285.39x = 28,926.21 × 13,085.25
  4. Step 4: Simplify right side
    19,285.39x = 378,506,630.00
  5. Step 5: Solve for x
    x = 378,506,630.00/19,285.39
  6. Step 6: Final answer
    x = 19,626.60

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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.