Home / 25,080.69-34,599.11-21,100.35

Finding the Fourth Proportional to 25,080.69, 34,599.11 and 21,100.35

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Solution

The fourth proportional to 25,080.69, 34,599.11 and 21,100.35 is: 29,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.69 : 34,599.11 = 21,100.35 : x
  2. Step 2: Convert to fraction form
    25,080.69/34,599.11 = 21,100.35/x
  3. Step 3: Cross multiply
    25,080.69x = 34,599.11 × 21,100.35
  4. Step 4: Simplify right side
    25,080.69x = 730,053,225.19
  5. Step 5: Solve for x
    x = 730,053,225.19/25,080.69
  6. Step 6: Final answer
    x = 29,108.18

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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.