Home / 28,417.23-39,215.21-16,480.26

Finding the Fourth Proportional to 28,417.23, 39,215.21 and 16,480.26

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Solution

The fourth proportional to 28,417.23, 39,215.21 and 16,480.26 is: 22,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.23 : 39,215.21 = 16,480.26 : x
  2. Step 2: Convert to fraction form
    28,417.23/39,215.21 = 16,480.26/x
  3. Step 3: Cross multiply
    28,417.23x = 39,215.21 × 16,480.26
  4. Step 4: Simplify right side
    28,417.23x = 646,276,774.35
  5. Step 5: Solve for x
    x = 646,276,774.35/28,417.23
  6. Step 6: Final answer
    x = 22,742.43

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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.