Home / 28,276.59-39,026.49-16,346.84

Finding the Fourth Proportional to 28,276.59, 39,026.49 and 16,346.84

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Solution

The fourth proportional to 28,276.59, 39,026.49 and 16,346.84 is: 22,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.59 : 39,026.49 = 16,346.84 : x
  2. Step 2: Convert to fraction form
    28,276.59/39,026.49 = 16,346.84/x
  3. Step 3: Cross multiply
    28,276.59x = 39,026.49 × 16,346.84
  4. Step 4: Simplify right side
    28,276.59x = 637,959,787.79
  5. Step 5: Solve for x
    x = 637,959,787.79/28,276.59
  6. Step 6: Final answer
    x = 22,561.41

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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.