Home / 28,340.32-39,093.36-17,711.50

Finding the Fourth Proportional to 28,340.32, 39,093.36 and 17,711.50

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Solution

The fourth proportional to 28,340.32, 39,093.36 and 17,711.50 is: 24,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,340.32 : 39,093.36 = 17,711.50 : x
  2. Step 2: Convert to fraction form
    28,340.32/39,093.36 = 17,711.50/x
  3. Step 3: Cross multiply
    28,340.32x = 39,093.36 × 17,711.50
  4. Step 4: Simplify right side
    28,340.32x = 692,402,045.64
  5. Step 5: Solve for x
    x = 692,402,045.64/28,340.32
  6. Step 6: Final answer
    x = 24,431.69

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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.