Home / 38,280.51-52,821.31-21,925.16

Finding the Fourth Proportional to 38,280.51, 52,821.31 and 21,925.16

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Solution

The fourth proportional to 38,280.51, 52,821.31 and 21,925.16 is: 30,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.51 : 52,821.31 = 21,925.16 : x
  2. Step 2: Convert to fraction form
    38,280.51/52,821.31 = 21,925.16/x
  3. Step 3: Cross multiply
    38,280.51x = 52,821.31 × 21,925.16
  4. Step 4: Simplify right side
    38,280.51x = 1,158,115,673.16
  5. Step 5: Solve for x
    x = 1,158,115,673.16/38,280.51
  6. Step 6: Final answer
    x = 30,253.41

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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.