Home / 28,574.66-39,432.58-15,653.83

Finding the Fourth Proportional to 28,574.66, 39,432.58 and 15,653.83

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Solution

The fourth proportional to 28,574.66, 39,432.58 and 15,653.83 is: 21,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.66 : 39,432.58 = 15,653.83 : x
  2. Step 2: Convert to fraction form
    28,574.66/39,432.58 = 15,653.83/x
  3. Step 3: Cross multiply
    28,574.66x = 39,432.58 × 15,653.83
  4. Step 4: Simplify right side
    28,574.66x = 617,271,011.77
  5. Step 5: Solve for x
    x = 617,271,011.77/28,574.66
  6. Step 6: Final answer
    x = 21,602.04

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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.