Home / 42,857.07-64,295.87-17,883.23

Finding the Fourth Proportional to 42,857.07, 64,295.87 and 17,883.23

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Solution

The fourth proportional to 42,857.07, 64,295.87 and 17,883.23 is: 26,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,857.07 : 64,295.87 = 17,883.23 : x
  2. Step 2: Convert to fraction form
    42,857.07/64,295.87 = 17,883.23/x
  3. Step 3: Cross multiply
    42,857.07x = 64,295.87 × 17,883.23
  4. Step 4: Simplify right side
    42,857.07x = 1,149,817,670.52
  5. Step 5: Solve for x
    x = 1,149,817,670.52/42,857.07
  6. Step 6: Final answer
    x = 26,829.12

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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.