Home / 28,903.26-39,889.90-16,328.02

Finding the Fourth Proportional to 28,903.26, 39,889.90 and 16,328.02

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Solution

The fourth proportional to 28,903.26, 39,889.90 and 16,328.02 is: 22,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.26 : 39,889.90 = 16,328.02 : x
  2. Step 2: Convert to fraction form
    28,903.26/39,889.90 = 16,328.02/x
  3. Step 3: Cross multiply
    28,903.26x = 39,889.90 × 16,328.02
  4. Step 4: Simplify right side
    28,903.26x = 651,323,085.00
  5. Step 5: Solve for x
    x = 651,323,085.00/28,903.26
  6. Step 6: Final answer
    x = 22,534.59

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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.