Home / 25,260.60-37,835.76-20,828.28

Finding the Fourth Proportional to 25,260.60, 37,835.76 and 20,828.28

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Solution

The fourth proportional to 25,260.60, 37,835.76 and 20,828.28 is: 31,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.60 : 37,835.76 = 20,828.28 : x
  2. Step 2: Convert to fraction form
    25,260.60/37,835.76 = 20,828.28/x
  3. Step 3: Cross multiply
    25,260.60x = 37,835.76 × 20,828.28
  4. Step 4: Simplify right side
    25,260.60x = 788,053,803.29
  5. Step 5: Solve for x
    x = 788,053,803.29/25,260.60
  6. Step 6: Final answer
    x = 31,196.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.