Home / 35,385.60-53,066.88-15,663.72

Finding the Fourth Proportional to 35,385.60, 53,066.88 and 15,663.72

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Solution

The fourth proportional to 35,385.60, 53,066.88 and 15,663.72 is: 23,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.60 : 53,066.88 = 15,663.72 : x
  2. Step 2: Convert to fraction form
    35,385.60/53,066.88 = 15,663.72/x
  3. Step 3: Cross multiply
    35,385.60x = 53,066.88 × 15,663.72
  4. Step 4: Simplify right side
    35,385.60x = 831,224,749.59
  5. Step 5: Solve for x
    x = 831,224,749.59/35,385.60
  6. Step 6: Final answer
    x = 23,490.48

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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.