Home / 28,709.34-39,615.51-16,133.34

Finding the Fourth Proportional to 28,709.34, 39,615.51 and 16,133.34

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Solution

The fourth proportional to 28,709.34, 39,615.51 and 16,133.34 is: 22,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.34 : 39,615.51 = 16,133.34 : x
  2. Step 2: Convert to fraction form
    28,709.34/39,615.51 = 16,133.34/x
  3. Step 3: Cross multiply
    28,709.34x = 39,615.51 × 16,133.34
  4. Step 4: Simplify right side
    28,709.34x = 639,130,492.10
  5. Step 5: Solve for x
    x = 639,130,492.10/28,709.34
  6. Step 6: Final answer
    x = 22,262.11

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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.