Home / 29,287.80-40,416.30-16,541.51

Finding the Fourth Proportional to 29,287.80, 40,416.30 and 16,541.51

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Solution

The fourth proportional to 29,287.80, 40,416.30 and 16,541.51 is: 22,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.80 : 40,416.30 = 16,541.51 : x
  2. Step 2: Convert to fraction form
    29,287.80/40,416.30 = 16,541.51/x
  3. Step 3: Cross multiply
    29,287.80x = 40,416.30 × 16,541.51
  4. Step 4: Simplify right side
    29,287.80x = 668,546,630.61
  5. Step 5: Solve for x
    x = 668,546,630.61/29,287.80
  6. Step 6: Final answer
    x = 22,826.80

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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.