Home / 25,457.58-35,130.51-14,278.86

Finding the Fourth Proportional to 25,457.58, 35,130.51 and 14,278.86

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Solution

The fourth proportional to 25,457.58, 35,130.51 and 14,278.86 is: 19,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.58 : 35,130.51 = 14,278.86 : x
  2. Step 2: Convert to fraction form
    25,457.58/35,130.51 = 14,278.86/x
  3. Step 3: Cross multiply
    25,457.58x = 35,130.51 × 14,278.86
  4. Step 4: Simplify right side
    25,457.58x = 501,623,634.02
  5. Step 5: Solve for x
    x = 501,623,634.02/25,457.58
  6. Step 6: Final answer
    x = 19,704.29

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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.