Home / 28,126.99-42,256.10-16,448.41

Finding the Fourth Proportional to 28,126.99, 42,256.10 and 16,448.41

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Solution

The fourth proportional to 28,126.99, 42,256.10 and 16,448.41 is: 24,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.99 : 42,256.10 = 16,448.41 : x
  2. Step 2: Convert to fraction form
    28,126.99/42,256.10 = 16,448.41/x
  3. Step 3: Cross multiply
    28,126.99x = 42,256.10 × 16,448.41
  4. Step 4: Simplify right side
    28,126.99x = 695,045,657.80
  5. Step 5: Solve for x
    x = 695,045,657.80/28,126.99
  6. Step 6: Final answer
    x = 24,710.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.