Home / 25,457.46-35,130.65-14,126.91

Finding the Fourth Proportional to 25,457.46, 35,130.65 and 14,126.91

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Solution

The fourth proportional to 25,457.46, 35,130.65 and 14,126.91 is: 19,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.46 : 35,130.65 = 14,126.91 : x
  2. Step 2: Convert to fraction form
    25,457.46/35,130.65 = 14,126.91/x
  3. Step 3: Cross multiply
    25,457.46x = 35,130.65 × 14,126.91
  4. Step 4: Simplify right side
    25,457.46x = 496,287,566.11
  5. Step 5: Solve for x
    x = 496,287,566.11/25,457.46
  6. Step 6: Final answer
    x = 19,494.78

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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.