Home / 25,666.89-35,419.92-14,336.56

Finding the Fourth Proportional to 25,666.89, 35,419.92 and 14,336.56

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Solution

The fourth proportional to 25,666.89, 35,419.92 and 14,336.56 is: 19,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.89 : 35,419.92 = 14,336.56 : x
  2. Step 2: Convert to fraction form
    25,666.89/35,419.92 = 14,336.56/x
  3. Step 3: Cross multiply
    25,666.89x = 35,419.92 × 14,336.56
  4. Step 4: Simplify right side
    25,666.89x = 507,799,808.28
  5. Step 5: Solve for x
    x = 507,799,808.28/25,666.89
  6. Step 6: Final answer
    x = 19,784.24

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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.