Home / 28,834.72-39,785.88-17,510.20

Finding the Fourth Proportional to 28,834.72, 39,785.88 and 17,510.20

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Solution

The fourth proportional to 28,834.72, 39,785.88 and 17,510.20 is: 24,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.72 : 39,785.88 = 17,510.20 : x
  2. Step 2: Convert to fraction form
    28,834.72/39,785.88 = 17,510.20/x
  3. Step 3: Cross multiply
    28,834.72x = 39,785.88 × 17,510.20
  4. Step 4: Simplify right side
    28,834.72x = 696,658,715.98
  5. Step 5: Solve for x
    x = 696,658,715.98/28,834.72
  6. Step 6: Final answer
    x = 24,160.41

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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.