Home / 19,030.84-28,504.02-14,615.80

Finding the Fourth Proportional to 19,030.84, 28,504.02 and 14,615.80

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Solution

The fourth proportional to 19,030.84, 28,504.02 and 14,615.80 is: 21,891.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.84 : 28,504.02 = 14,615.80 : x
  2. Step 2: Convert to fraction form
    19,030.84/28,504.02 = 14,615.80/x
  3. Step 3: Cross multiply
    19,030.84x = 28,504.02 × 14,615.80
  4. Step 4: Simplify right side
    19,030.84x = 416,609,055.52
  5. Step 5: Solve for x
    x = 416,609,055.52/19,030.84
  6. Step 6: Final answer
    x = 21,891.26

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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.