Home / 28,575.48-39,434.10-16,000.23

Finding the Fourth Proportional to 28,575.48, 39,434.10 and 16,000.23

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Solution

The fourth proportional to 28,575.48, 39,434.10 and 16,000.23 is: 22,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.48 : 39,434.10 = 16,000.23 : x
  2. Step 2: Convert to fraction form
    28,575.48/39,434.10 = 16,000.23/x
  3. Step 3: Cross multiply
    28,575.48x = 39,434.10 × 16,000.23
  4. Step 4: Simplify right side
    28,575.48x = 630,954,669.84
  5. Step 5: Solve for x
    x = 630,954,669.84/28,575.48
  6. Step 6: Final answer
    x = 22,080.28

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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.