Home / 28,395.36-39,193.02-16,457.22

Finding the Fourth Proportional to 28,395.36, 39,193.02 and 16,457.22

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Solution

The fourth proportional to 28,395.36, 39,193.02 and 16,457.22 is: 22,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.36 : 39,193.02 = 16,457.22 : x
  2. Step 2: Convert to fraction form
    28,395.36/39,193.02 = 16,457.22/x
  3. Step 3: Cross multiply
    28,395.36x = 39,193.02 × 16,457.22
  4. Step 4: Simplify right side
    28,395.36x = 645,008,152.60
  5. Step 5: Solve for x
    x = 645,008,152.60/28,395.36
  6. Step 6: Final answer
    x = 22,715.27

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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.