Home / 17,985.80-24,821.39-10,028.00

Finding the Fourth Proportional to 17,985.80, 24,821.39 and 10,028.00

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Solution

The fourth proportional to 17,985.80, 24,821.39 and 10,028.00 is: 13,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.80 : 24,821.39 = 10,028.00 : x
  2. Step 2: Convert to fraction form
    17,985.80/24,821.39 = 10,028.00/x
  3. Step 3: Cross multiply
    17,985.80x = 24,821.39 × 10,028.00
  4. Step 4: Simplify right side
    17,985.80x = 248,908,929.64
  5. Step 5: Solve for x
    x = 248,908,929.64/17,985.80
  6. Step 6: Final answer
    x = 13,839.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.