Home / 25,569.12-38,352.77-8,929.09

Finding the Fourth Proportional to 25,569.12, 38,352.77 and 8,929.09

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Solution

The fourth proportional to 25,569.12, 38,352.77 and 8,929.09 is: 13,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,569.12 : 38,352.77 = 8,929.09 : x
  2. Step 2: Convert to fraction form
    25,569.12/38,352.77 = 8,929.09/x
  3. Step 3: Cross multiply
    25,569.12x = 38,352.77 × 8,929.09
  4. Step 4: Simplify right side
    25,569.12x = 342,455,228.04
  5. Step 5: Solve for x
    x = 342,455,228.04/25,569.12
  6. Step 6: Final answer
    x = 13,393.31

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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.