Home / 28,585.41-39,447.86-17,407.41

Finding the Fourth Proportional to 28,585.41, 39,447.86 and 17,407.41

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Solution

The fourth proportional to 28,585.41, 39,447.86 and 17,407.41 is: 24,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.41 : 39,447.86 = 17,407.41 : x
  2. Step 2: Convert to fraction form
    28,585.41/39,447.86 = 17,407.41/x
  3. Step 3: Cross multiply
    28,585.41x = 39,447.86 × 17,407.41
  4. Step 4: Simplify right side
    28,585.41x = 686,684,935.59
  5. Step 5: Solve for x
    x = 686,684,935.59/28,585.41
  6. Step 6: Final answer
    x = 24,022.22

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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.