Home / 28,838.12-39,785.52-17,503.52

Finding the Fourth Proportional to 28,838.12, 39,785.52 and 17,503.52

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Solution

The fourth proportional to 28,838.12, 39,785.52 and 17,503.52 is: 24,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.12 : 39,785.52 = 17,503.52 : x
  2. Step 2: Convert to fraction form
    28,838.12/39,785.52 = 17,503.52/x
  3. Step 3: Cross multiply
    28,838.12x = 39,785.52 × 17,503.52
  4. Step 4: Simplify right side
    28,838.12x = 696,386,645.03
  5. Step 5: Solve for x
    x = 696,386,645.03/28,838.12
  6. Step 6: Final answer
    x = 24,148.13

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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.