Home / 28,182.29-42,276.23-10,417.60

Finding the Fourth Proportional to 28,182.29, 42,276.23 and 10,417.60

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Solution

The fourth proportional to 28,182.29, 42,276.23 and 10,417.60 is: 15,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.29 : 42,276.23 = 10,417.60 : x
  2. Step 2: Convert to fraction form
    28,182.29/42,276.23 = 10,417.60/x
  3. Step 3: Cross multiply
    28,182.29x = 42,276.23 × 10,417.60
  4. Step 4: Simplify right side
    28,182.29x = 440,416,695.87
  5. Step 5: Solve for x
    x = 440,416,695.87/28,182.29
  6. Step 6: Final answer
    x = 15,627.43

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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.