Home / 53,228.15-79,828.59-15,779.46

Finding the Fourth Proportional to 53,228.15, 79,828.59 and 15,779.46

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Solution

The fourth proportional to 53,228.15, 79,828.59 and 15,779.46 is: 23,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,228.15 : 79,828.59 = 15,779.46 : x
  2. Step 2: Convert to fraction form
    53,228.15/79,828.59 = 15,779.46/x
  3. Step 3: Cross multiply
    53,228.15x = 79,828.59 × 15,779.46
  4. Step 4: Simplify right side
    53,228.15x = 1,259,652,101.93
  5. Step 5: Solve for x
    x = 1,259,652,101.93/53,228.15
  6. Step 6: Final answer
    x = 23,665.15

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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.