Home / 16,875.88-23,298.25-15,007.21

Finding the Fourth Proportional to 16,875.88, 23,298.25 and 15,007.21

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Solution

The fourth proportional to 16,875.88, 23,298.25 and 15,007.21 is: 20,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.88 : 23,298.25 = 15,007.21 : x
  2. Step 2: Convert to fraction form
    16,875.88/23,298.25 = 15,007.21/x
  3. Step 3: Cross multiply
    16,875.88x = 23,298.25 × 15,007.21
  4. Step 4: Simplify right side
    16,875.88x = 349,641,730.38
  5. Step 5: Solve for x
    x = 349,641,730.38/16,875.88
  6. Step 6: Final answer
    x = 20,718.43

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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.