Home / 28,809.23-39,753.51-16,061.45

Finding the Fourth Proportional to 28,809.23, 39,753.51 and 16,061.45

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Solution

The fourth proportional to 28,809.23, 39,753.51 and 16,061.45 is: 22,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.23 : 39,753.51 = 16,061.45 : x
  2. Step 2: Convert to fraction form
    28,809.23/39,753.51 = 16,061.45/x
  3. Step 3: Cross multiply
    28,809.23x = 39,753.51 × 16,061.45
  4. Step 4: Simplify right side
    28,809.23x = 638,498,814.42
  5. Step 5: Solve for x
    x = 638,498,814.42/28,809.23
  6. Step 6: Final answer
    x = 22,163.00

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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.