Home / 28,170.19-42,242.51-10,627.57

Finding the Fourth Proportional to 28,170.19, 42,242.51 and 10,627.57

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Solution

The fourth proportional to 28,170.19, 42,242.51 and 10,627.57 is: 15,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.19 : 42,242.51 = 10,627.57 : x
  2. Step 2: Convert to fraction form
    28,170.19/42,242.51 = 10,627.57/x
  3. Step 3: Cross multiply
    28,170.19x = 42,242.51 × 10,627.57
  4. Step 4: Simplify right side
    28,170.19x = 448,935,178.86
  5. Step 5: Solve for x
    x = 448,935,178.86/28,170.19
  6. Step 6: Final answer
    x = 15,936.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.