Home / 28,045.56-38,702.26-15,470.32

Finding the Fourth Proportional to 28,045.56, 38,702.26 and 15,470.32

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Solution

The fourth proportional to 28,045.56, 38,702.26 and 15,470.32 is: 21,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.56 : 38,702.26 = 15,470.32 : x
  2. Step 2: Convert to fraction form
    28,045.56/38,702.26 = 15,470.32/x
  3. Step 3: Cross multiply
    28,045.56x = 38,702.26 × 15,470.32
  4. Step 4: Simplify right side
    28,045.56x = 598,736,346.92
  5. Step 5: Solve for x
    x = 598,736,346.92/28,045.56
  6. Step 6: Final answer
    x = 21,348.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.