Home / 28,688.63-39,594.02-16,113.38

Finding the Fourth Proportional to 28,688.63, 39,594.02 and 16,113.38

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Solution

The fourth proportional to 28,688.63, 39,594.02 and 16,113.38 is: 22,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.63 : 39,594.02 = 16,113.38 : x
  2. Step 2: Convert to fraction form
    28,688.63/39,594.02 = 16,113.38/x
  3. Step 3: Cross multiply
    28,688.63x = 39,594.02 × 16,113.38
  4. Step 4: Simplify right side
    28,688.63x = 637,993,211.45
  5. Step 5: Solve for x
    x = 637,993,211.45/28,688.63
  6. Step 6: Final answer
    x = 22,238.54

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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.