Home / 25,645.28-35,388.16-14,313.92

Finding the Fourth Proportional to 25,645.28, 35,388.16 and 14,313.92

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Solution

The fourth proportional to 25,645.28, 35,388.16 and 14,313.92 is: 19,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,645.28 : 35,388.16 = 14,313.92 : x
  2. Step 2: Convert to fraction form
    25,645.28/35,388.16 = 14,313.92/x
  3. Step 3: Cross multiply
    25,645.28x = 35,388.16 × 14,313.92
  4. Step 4: Simplify right side
    25,645.28x = 506,543,291.19
  5. Step 5: Solve for x
    x = 506,543,291.19/25,645.28
  6. Step 6: Final answer
    x = 19,751.91

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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.