Home / 28,875.99-39,848.44-16,129.35

Finding the Fourth Proportional to 28,875.99, 39,848.44 and 16,129.35

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Solution

The fourth proportional to 28,875.99, 39,848.44 and 16,129.35 is: 22,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.99 : 39,848.44 = 16,129.35 : x
  2. Step 2: Convert to fraction form
    28,875.99/39,848.44 = 16,129.35/x
  3. Step 3: Cross multiply
    28,875.99x = 39,848.44 × 16,129.35
  4. Step 4: Simplify right side
    28,875.99x = 642,729,395.39
  5. Step 5: Solve for x
    x = 642,729,395.39/28,875.99
  6. Step 6: Final answer
    x = 22,258.26

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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.