Home / 28,516.60-42,710.10-16,852.60

Finding the Fourth Proportional to 28,516.60, 42,710.10 and 16,852.60

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Solution

The fourth proportional to 28,516.60, 42,710.10 and 16,852.60 is: 25,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.60 : 42,710.10 = 16,852.60 : x
  2. Step 2: Convert to fraction form
    28,516.60/42,710.10 = 16,852.60/x
  3. Step 3: Cross multiply
    28,516.60x = 42,710.10 × 16,852.60
  4. Step 4: Simplify right side
    28,516.60x = 719,776,231.26
  5. Step 5: Solve for x
    x = 719,776,231.26/28,516.60
  6. Step 6: Final answer
    x = 25,240.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.