Home / 25,387.77-35,035.16-13,902.63

Finding the Fourth Proportional to 25,387.77, 35,035.16 and 13,902.63

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Solution

The fourth proportional to 25,387.77, 35,035.16 and 13,902.63 is: 19,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.77 : 35,035.16 = 13,902.63 : x
  2. Step 2: Convert to fraction form
    25,387.77/35,035.16 = 13,902.63/x
  3. Step 3: Cross multiply
    25,387.77x = 35,035.16 × 13,902.63
  4. Step 4: Simplify right side
    25,387.77x = 487,080,866.47
  5. Step 5: Solve for x
    x = 487,080,866.47/25,387.77
  6. Step 6: Final answer
    x = 19,185.65

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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.