Home / 38,627.01-53,300.87-21,628.89

Finding the Fourth Proportional to 38,627.01, 53,300.87 and 21,628.89

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Solution

The fourth proportional to 38,627.01, 53,300.87 and 21,628.89 is: 29,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.01 : 53,300.87 = 21,628.89 : x
  2. Step 2: Convert to fraction form
    38,627.01/53,300.87 = 21,628.89/x
  3. Step 3: Cross multiply
    38,627.01x = 53,300.87 × 21,628.89
  4. Step 4: Simplify right side
    38,627.01x = 1,152,838,627.10
  5. Step 5: Solve for x
    x = 1,152,838,627.10/38,627.01
  6. Step 6: Final answer
    x = 29,845.40

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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.