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Finding the Fourth Proportional to 35,608.16, 53,430.81 and 25,828.17

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Solution

The fourth proportional to 35,608.16, 53,430.81 and 25,828.17 is: 38,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.16 : 53,430.81 = 25,828.17 : x
  2. Step 2: Convert to fraction form
    35,608.16/53,430.81 = 25,828.17/x
  3. Step 3: Cross multiply
    35,608.16x = 53,430.81 × 25,828.17
  4. Step 4: Simplify right side
    35,608.16x = 1,380,020,043.92
  5. Step 5: Solve for x
    x = 1,380,020,043.92/35,608.16
  6. Step 6: Final answer
    x = 38,755.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.