Home / 34,728.89-47,925.54-19,621.28

Finding the Fourth Proportional to 34,728.89, 47,925.54 and 19,621.28

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Solution

The fourth proportional to 34,728.89, 47,925.54 and 19,621.28 is: 27,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.89 : 47,925.54 = 19,621.28 : x
  2. Step 2: Convert to fraction form
    34,728.89/47,925.54 = 19,621.28/x
  3. Step 3: Cross multiply
    34,728.89x = 47,925.54 × 19,621.28
  4. Step 4: Simplify right side
    34,728.89x = 940,360,439.49
  5. Step 5: Solve for x
    x = 940,360,439.49/34,728.89
  6. Step 6: Final answer
    x = 27,077.18

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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.