Home / 28,041.94-38,690.04-16,708.72

Finding the Fourth Proportional to 28,041.94, 38,690.04 and 16,708.72

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Solution

The fourth proportional to 28,041.94, 38,690.04 and 16,708.72 is: 23,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.94 : 38,690.04 = 16,708.72 : x
  2. Step 2: Convert to fraction form
    28,041.94/38,690.04 = 16,708.72/x
  3. Step 3: Cross multiply
    28,041.94x = 38,690.04 × 16,708.72
  4. Step 4: Simplify right side
    28,041.94x = 646,461,045.15
  5. Step 5: Solve for x
    x = 646,461,045.15/28,041.94
  6. Step 6: Final answer
    x = 23,053.36

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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.