Home / 28,509.15-39,339.90-16,573.08

Finding the Fourth Proportional to 28,509.15, 39,339.90 and 16,573.08

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Solution

The fourth proportional to 28,509.15, 39,339.90 and 16,573.08 is: 22,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,509.15 : 39,339.90 = 16,573.08 : x
  2. Step 2: Convert to fraction form
    28,509.15/39,339.90 = 16,573.08/x
  3. Step 3: Cross multiply
    28,509.15x = 39,339.90 × 16,573.08
  4. Step 4: Simplify right side
    28,509.15x = 651,983,309.89
  5. Step 5: Solve for x
    x = 651,983,309.89/28,509.15
  6. Step 6: Final answer
    x = 22,869.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.