Home / 28,495.68-39,319.47-16,554.66

Finding the Fourth Proportional to 28,495.68, 39,319.47 and 16,554.66

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Solution

The fourth proportional to 28,495.68, 39,319.47 and 16,554.66 is: 22,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.68 : 39,319.47 = 16,554.66 : x
  2. Step 2: Convert to fraction form
    28,495.68/39,319.47 = 16,554.66/x
  3. Step 3: Cross multiply
    28,495.68x = 39,319.47 × 16,554.66
  4. Step 4: Simplify right side
    28,495.68x = 650,920,457.23
  5. Step 5: Solve for x
    x = 650,920,457.23/28,495.68
  6. Step 6: Final answer
    x = 22,842.78

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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.