Home / 28,904.67-39,889.95-17,572.32

Finding the Fourth Proportional to 28,904.67, 39,889.95 and 17,572.32

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Solution

The fourth proportional to 28,904.67, 39,889.95 and 17,572.32 is: 24,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.67 : 39,889.95 = 17,572.32 : x
  2. Step 2: Convert to fraction form
    28,904.67/39,889.95 = 17,572.32/x
  3. Step 3: Cross multiply
    28,904.67x = 39,889.95 × 17,572.32
  4. Step 4: Simplify right side
    28,904.67x = 700,958,966.18
  5. Step 5: Solve for x
    x = 700,958,966.18/28,904.67
  6. Step 6: Final answer
    x = 24,250.72

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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.