Home / 28,010.21-42,031.65-10,492.34

Finding the Fourth Proportional to 28,010.21, 42,031.65 and 10,492.34

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Solution

The fourth proportional to 28,010.21, 42,031.65 and 10,492.34 is: 15,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.21 : 42,031.65 = 10,492.34 : x
  2. Step 2: Convert to fraction form
    28,010.21/42,031.65 = 10,492.34/x
  3. Step 3: Cross multiply
    28,010.21x = 42,031.65 × 10,492.34
  4. Step 4: Simplify right side
    28,010.21x = 441,010,362.56
  5. Step 5: Solve for x
    x = 441,010,362.56/28,010.21
  6. Step 6: Final answer
    x = 15,744.63

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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.