Home / 30,011.15-41,415.75-16,582.28

Finding the Fourth Proportional to 30,011.15, 41,415.75 and 16,582.28

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Solution

The fourth proportional to 30,011.15, 41,415.75 and 16,582.28 is: 22,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.15 : 41,415.75 = 16,582.28 : x
  2. Step 2: Convert to fraction form
    30,011.15/41,415.75 = 16,582.28/x
  3. Step 3: Cross multiply
    30,011.15x = 41,415.75 × 16,582.28
  4. Step 4: Simplify right side
    30,011.15x = 686,767,272.92
  5. Step 5: Solve for x
    x = 686,767,272.92/30,011.15
  6. Step 6: Final answer
    x = 22,883.74

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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.