Home / 28,122.46-38,807.43-15,373.11

Finding the Fourth Proportional to 28,122.46, 38,807.43 and 15,373.11

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Solution

The fourth proportional to 28,122.46, 38,807.43 and 15,373.11 is: 21,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.46 : 38,807.43 = 15,373.11 : x
  2. Step 2: Convert to fraction form
    28,122.46/38,807.43 = 15,373.11/x
  3. Step 3: Cross multiply
    28,122.46x = 38,807.43 × 15,373.11
  4. Step 4: Simplify right side
    28,122.46x = 596,590,890.21
  5. Step 5: Solve for x
    x = 596,590,890.21/28,122.46
  6. Step 6: Final answer
    x = 21,214.04

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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.