Home / 25,835.60-35,657.02-15,769.89

Finding the Fourth Proportional to 25,835.60, 35,657.02 and 15,769.89

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Solution

The fourth proportional to 25,835.60, 35,657.02 and 15,769.89 is: 21,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.60 : 35,657.02 = 15,769.89 : x
  2. Step 2: Convert to fraction form
    25,835.60/35,657.02 = 15,769.89/x
  3. Step 3: Cross multiply
    25,835.60x = 35,657.02 × 15,769.89
  4. Step 4: Simplify right side
    25,835.60x = 562,307,283.13
  5. Step 5: Solve for x
    x = 562,307,283.13/25,835.60
  6. Step 6: Final answer
    x = 21,764.82

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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.