Home / 28,459.89-39,282.98-16,528.59

Finding the Fourth Proportional to 28,459.89, 39,282.98 and 16,528.59

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Solution

The fourth proportional to 28,459.89, 39,282.98 and 16,528.59 is: 22,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.89 : 39,282.98 = 16,528.59 : x
  2. Step 2: Convert to fraction form
    28,459.89/39,282.98 = 16,528.59/x
  3. Step 3: Cross multiply
    28,459.89x = 39,282.98 × 16,528.59
  4. Step 4: Simplify right side
    28,459.89x = 649,292,187.76
  5. Step 5: Solve for x
    x = 649,292,187.76/28,459.89
  6. Step 6: Final answer
    x = 22,814.29

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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.