Home / 25,837.36-35,654-15,080.96

Finding the Fourth Proportional to 25,837.36, 35,654 and 15,080.96

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Solution

The fourth proportional to 25,837.36, 35,654 and 15,080.96 is: 20,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.36 : 35,654 = 15,080.96 : x
  2. Step 2: Convert to fraction form
    25,837.36/35,654 = 15,080.96/x
  3. Step 3: Cross multiply
    25,837.36x = 35,654 × 15,080.96
  4. Step 4: Simplify right side
    25,837.36x = 537,696,547.84
  5. Step 5: Solve for x
    x = 537,696,547.84/25,837.36
  6. Step 6: Final answer
    x = 20,810.82

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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.