Home / 30,127.74-41,575.40-16,515.50

Finding the Fourth Proportional to 30,127.74, 41,575.40 and 16,515.50

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Solution

The fourth proportional to 30,127.74, 41,575.40 and 16,515.50 is: 22,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.74 : 41,575.40 = 16,515.50 : x
  2. Step 2: Convert to fraction form
    30,127.74/41,575.40 = 16,515.50/x
  3. Step 3: Cross multiply
    30,127.74x = 41,575.40 × 16,515.50
  4. Step 4: Simplify right side
    30,127.74x = 686,638,228.25
  5. Step 5: Solve for x
    x = 686,638,228.25/30,127.74
  6. Step 6: Final answer
    x = 22,790.90

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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.