Home / 21,457.85-32,193.75-10,365.81

Finding the Fourth Proportional to 21,457.85, 32,193.75 and 10,365.81

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Solution

The fourth proportional to 21,457.85, 32,193.75 and 10,365.81 is: 15,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.85 : 32,193.75 = 10,365.81 : x
  2. Step 2: Convert to fraction form
    21,457.85/32,193.75 = 10,365.81/x
  3. Step 3: Cross multiply
    21,457.85x = 32,193.75 × 10,365.81
  4. Step 4: Simplify right side
    21,457.85x = 333,714,295.69
  5. Step 5: Solve for x
    x = 333,714,295.69/21,457.85
  6. Step 6: Final answer
    x = 15,552.08

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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.