Home / 28,146.20-42,214.14-10,373

Finding the Fourth Proportional to 28,146.20, 42,214.14 and 10,373

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Solution

The fourth proportional to 28,146.20, 42,214.14 and 10,373 is: 15,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.20 : 42,214.14 = 10,373 : x
  2. Step 2: Convert to fraction form
    28,146.20/42,214.14 = 10,373/x
  3. Step 3: Cross multiply
    28,146.20x = 42,214.14 × 10,373
  4. Step 4: Simplify right side
    28,146.20x = 437,887,274.22
  5. Step 5: Solve for x
    x = 437,887,274.22/28,146.20
  6. Step 6: Final answer
    x = 15,557.60

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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.