Home / 42,015.51-63,024.48-15,715.23

Finding the Fourth Proportional to 42,015.51, 63,024.48 and 15,715.23

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Solution

The fourth proportional to 42,015.51, 63,024.48 and 15,715.23 is: 23,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.51 : 63,024.48 = 15,715.23 : x
  2. Step 2: Convert to fraction form
    42,015.51/63,024.48 = 15,715.23/x
  3. Step 3: Cross multiply
    42,015.51x = 63,024.48 × 15,715.23
  4. Step 4: Simplify right side
    42,015.51x = 990,444,198.83
  5. Step 5: Solve for x
    x = 990,444,198.83/42,015.51
  6. Step 6: Final answer
    x = 23,573.30

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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.