Home / 28,177.32-42,264.84-7,117.08

Finding the Fourth Proportional to 28,177.32, 42,264.84 and 7,117.08

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Solution

The fourth proportional to 28,177.32, 42,264.84 and 7,117.08 is: 10,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.32 : 42,264.84 = 7,117.08 : x
  2. Step 2: Convert to fraction form
    28,177.32/42,264.84 = 7,117.08/x
  3. Step 3: Cross multiply
    28,177.32x = 42,264.84 × 7,117.08
  4. Step 4: Simplify right side
    28,177.32x = 300,802,247.47
  5. Step 5: Solve for x
    x = 300,802,247.47/28,177.32
  6. Step 6: Final answer
    x = 10,675.33

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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.