Home / 64,985.28-97,457.76-25,531.68

Finding the Fourth Proportional to 64,985.28, 97,457.76 and 25,531.68

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Solution

The fourth proportional to 64,985.28, 97,457.76 and 25,531.68 is: 38,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.28 : 97,457.76 = 25,531.68 : x
  2. Step 2: Convert to fraction form
    64,985.28/97,457.76 = 25,531.68/x
  3. Step 3: Cross multiply
    64,985.28x = 97,457.76 × 25,531.68
  4. Step 4: Simplify right side
    64,985.28x = 2,488,260,341.84
  5. Step 5: Solve for x
    x = 2,488,260,341.84/64,985.28
  6. Step 6: Final answer
    x = 38,289.60

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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.