Home / 25,663.46-35,419.14-15,056.51

Finding the Fourth Proportional to 25,663.46, 35,419.14 and 15,056.51

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Solution

The fourth proportional to 25,663.46, 35,419.14 and 15,056.51 is: 20,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.46 : 35,419.14 = 15,056.51 : x
  2. Step 2: Convert to fraction form
    25,663.46/35,419.14 = 15,056.51/x
  3. Step 3: Cross multiply
    25,663.46x = 35,419.14 × 15,056.51
  4. Step 4: Simplify right side
    25,663.46x = 533,288,458.51
  5. Step 5: Solve for x
    x = 533,288,458.51/25,663.46
  6. Step 6: Final answer
    x = 20,780.07

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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.