Home / 28,055.04-42,070.24-10,512.57

Finding the Fourth Proportional to 28,055.04, 42,070.24 and 10,512.57

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Solution

The fourth proportional to 28,055.04, 42,070.24 and 10,512.57 is: 15,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.04 : 42,070.24 = 10,512.57 : x
  2. Step 2: Convert to fraction form
    28,055.04/42,070.24 = 10,512.57/x
  3. Step 3: Cross multiply
    28,055.04x = 42,070.24 × 10,512.57
  4. Step 4: Simplify right side
    28,055.04x = 442,266,342.92
  5. Step 5: Solve for x
    x = 442,266,342.92/28,055.04
  6. Step 6: Final answer
    x = 15,764.24

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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.