Home / 28,593.43-42,868.50-12,779.29

Finding the Fourth Proportional to 28,593.43, 42,868.50 and 12,779.29

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Solution

The fourth proportional to 28,593.43, 42,868.50 and 12,779.29 is: 19,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.43 : 42,868.50 = 12,779.29 : x
  2. Step 2: Convert to fraction form
    28,593.43/42,868.50 = 12,779.29/x
  3. Step 3: Cross multiply
    28,593.43x = 42,868.50 × 12,779.29
  4. Step 4: Simplify right side
    28,593.43x = 547,828,993.37
  5. Step 5: Solve for x
    x = 547,828,993.37/28,593.43
  6. Step 6: Final answer
    x = 19,159.26

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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.