Home / 28,735.02-39,653.95-16,159.77

Finding the Fourth Proportional to 28,735.02, 39,653.95 and 16,159.77

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Solution

The fourth proportional to 28,735.02, 39,653.95 and 16,159.77 is: 22,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.02 : 39,653.95 = 16,159.77 : x
  2. Step 2: Convert to fraction form
    28,735.02/39,653.95 = 16,159.77/x
  3. Step 3: Cross multiply
    28,735.02x = 39,653.95 × 16,159.77
  4. Step 4: Simplify right side
    28,735.02x = 640,798,835.74
  5. Step 5: Solve for x
    x = 640,798,835.74/28,735.02
  6. Step 6: Final answer
    x = 22,300.27

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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.