Home / 28,646.60-39,531.74-16,071.32

Finding the Fourth Proportional to 28,646.60, 39,531.74 and 16,071.32

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Solution

The fourth proportional to 28,646.60, 39,531.74 and 16,071.32 is: 22,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.60 : 39,531.74 = 16,071.32 : x
  2. Step 2: Convert to fraction form
    28,646.60/39,531.74 = 16,071.32/x
  3. Step 3: Cross multiply
    28,646.60x = 39,531.74 × 16,071.32
  4. Step 4: Simplify right side
    28,646.60x = 635,327,243.70
  5. Step 5: Solve for x
    x = 635,327,243.70/28,646.60
  6. Step 6: Final answer
    x = 22,178.10

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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.