Home / 53,227.89-79,828.21-15,779.21

Finding the Fourth Proportional to 53,227.89, 79,828.21 and 15,779.21

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Solution

The fourth proportional to 53,227.89, 79,828.21 and 15,779.21 is: 23,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,227.89 : 79,828.21 = 15,779.21 : x
  2. Step 2: Convert to fraction form
    53,227.89/79,828.21 = 15,779.21/x
  3. Step 3: Cross multiply
    53,227.89x = 79,828.21 × 15,779.21
  4. Step 4: Simplify right side
    53,227.89x = 1,259,626,089.51
  5. Step 5: Solve for x
    x = 1,259,626,089.51/53,227.89
  6. Step 6: Final answer
    x = 23,664.78

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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.