Home / 42,285.24-63,427.68-10,695.60

Finding the Fourth Proportional to 42,285.24, 63,427.68 and 10,695.60

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Solution

The fourth proportional to 42,285.24, 63,427.68 and 10,695.60 is: 16,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.24 : 63,427.68 = 10,695.60 : x
  2. Step 2: Convert to fraction form
    42,285.24/63,427.68 = 10,695.60/x
  3. Step 3: Cross multiply
    42,285.24x = 63,427.68 × 10,695.60
  4. Step 4: Simplify right side
    42,285.24x = 678,397,094.21
  5. Step 5: Solve for x
    x = 678,397,094.21/42,285.24
  6. Step 6: Final answer
    x = 16,043.35

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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.