Home / 28,400.61-39,199.52-17,653.59

Finding the Fourth Proportional to 28,400.61, 39,199.52 and 17,653.59

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Solution

The fourth proportional to 28,400.61, 39,199.52 and 17,653.59 is: 24,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400.61 : 39,199.52 = 17,653.59 : x
  2. Step 2: Convert to fraction form
    28,400.61/39,199.52 = 17,653.59/x
  3. Step 3: Cross multiply
    28,400.61x = 39,199.52 × 17,653.59
  4. Step 4: Simplify right side
    28,400.61x = 692,012,254.28
  5. Step 5: Solve for x
    x = 692,012,254.28/28,400.61
  6. Step 6: Final answer
    x = 24,366.11

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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.