Home / 28,222.64-38,952.96-16,294.40

Finding the Fourth Proportional to 28,222.64, 38,952.96 and 16,294.40

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Solution

The fourth proportional to 28,222.64, 38,952.96 and 16,294.40 is: 22,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.64 : 38,952.96 = 16,294.40 : x
  2. Step 2: Convert to fraction form
    28,222.64/38,952.96 = 16,294.40/x
  3. Step 3: Cross multiply
    28,222.64x = 38,952.96 × 16,294.40
  4. Step 4: Simplify right side
    28,222.64x = 634,715,111.42
  5. Step 5: Solve for x
    x = 634,715,111.42/28,222.64
  6. Step 6: Final answer
    x = 22,489.57

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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.