Home / 38,281.68-52,827.60-21,285.48

Finding the Fourth Proportional to 38,281.68, 52,827.60 and 21,285.48

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Solution

The fourth proportional to 38,281.68, 52,827.60 and 21,285.48 is: 29,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.68 : 52,827.60 = 21,285.48 : x
  2. Step 2: Convert to fraction form
    38,281.68/52,827.60 = 21,285.48/x
  3. Step 3: Cross multiply
    38,281.68x = 52,827.60 × 21,285.48
  4. Step 4: Simplify right side
    38,281.68x = 1,124,460,823.25
  5. Step 5: Solve for x
    x = 1,124,460,823.25/38,281.68
  6. Step 6: Final answer
    x = 29,373.34

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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.