Home / 19,017.18-28,525.77-10,307.25

Finding the Fourth Proportional to 19,017.18, 28,525.77 and 10,307.25

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Solution

The fourth proportional to 19,017.18, 28,525.77 and 10,307.25 is: 15,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.18 : 28,525.77 = 10,307.25 : x
  2. Step 2: Convert to fraction form
    19,017.18/28,525.77 = 10,307.25/x
  3. Step 3: Cross multiply
    19,017.18x = 28,525.77 × 10,307.25
  4. Step 4: Simplify right side
    19,017.18x = 294,022,242.83
  5. Step 5: Solve for x
    x = 294,022,242.83/19,017.18
  6. Step 6: Final answer
    x = 15,460.88

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Similar ratio
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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.