Home / 28,901.64-39,881.94-16,955.40

Finding the Fourth Proportional to 28,901.64, 39,881.94 and 16,955.40

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Solution

The fourth proportional to 28,901.64, 39,881.94 and 16,955.40 is: 23,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.64 : 39,881.94 = 16,955.40 : x
  2. Step 2: Convert to fraction form
    28,901.64/39,881.94 = 16,955.40/x
  3. Step 3: Cross multiply
    28,901.64x = 39,881.94 × 16,955.40
  4. Step 4: Simplify right side
    28,901.64x = 676,214,245.48
  5. Step 5: Solve for x
    x = 676,214,245.48/28,901.64
  6. Step 6: Final answer
    x = 23,397.09

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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.