Home / 28,829.08-39,783.60-16,253.84

Finding the Fourth Proportional to 28,829.08, 39,783.60 and 16,253.84

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Solution

The fourth proportional to 28,829.08, 39,783.60 and 16,253.84 is: 22,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.08 : 39,783.60 = 16,253.84 : x
  2. Step 2: Convert to fraction form
    28,829.08/39,783.60 = 16,253.84/x
  3. Step 3: Cross multiply
    28,829.08x = 39,783.60 × 16,253.84
  4. Step 4: Simplify right side
    28,829.08x = 646,636,269.02
  5. Step 5: Solve for x
    x = 646,636,269.02/28,829.08
  6. Step 6: Final answer
    x = 22,430.00

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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.