Home / 28,493.19-39,316.44-17,886.24

Finding the Fourth Proportional to 28,493.19, 39,316.44 and 17,886.24

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Solution

The fourth proportional to 28,493.19, 39,316.44 and 17,886.24 is: 24,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.19 : 39,316.44 = 17,886.24 : x
  2. Step 2: Convert to fraction form
    28,493.19/39,316.44 = 17,886.24/x
  3. Step 3: Cross multiply
    28,493.19x = 39,316.44 × 17,886.24
  4. Step 4: Simplify right side
    28,493.19x = 703,223,281.79
  5. Step 5: Solve for x
    x = 703,223,281.79/28,493.19
  6. Step 6: Final answer
    x = 24,680.40

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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.