Home / 25,740.72-35,526.60-15,674.04

Finding the Fourth Proportional to 25,740.72, 35,526.60 and 15,674.04

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Solution

The fourth proportional to 25,740.72, 35,526.60 and 15,674.04 is: 21,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.72 : 35,526.60 = 15,674.04 : x
  2. Step 2: Convert to fraction form
    25,740.72/35,526.60 = 15,674.04/x
  3. Step 3: Cross multiply
    25,740.72x = 35,526.60 × 15,674.04
  4. Step 4: Simplify right side
    25,740.72x = 556,845,349.46
  5. Step 5: Solve for x
    x = 556,845,349.46/25,740.72
  6. Step 6: Final answer
    x = 21,632.86

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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.