Home / 25,715.43-35,487.11-14,384.88

Finding the Fourth Proportional to 25,715.43, 35,487.11 and 14,384.88

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Solution

The fourth proportional to 25,715.43, 35,487.11 and 14,384.88 is: 19,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.43 : 35,487.11 = 14,384.88 : x
  2. Step 2: Convert to fraction form
    25,715.43/35,487.11 = 14,384.88/x
  3. Step 3: Cross multiply
    25,715.43x = 35,487.11 × 14,384.88
  4. Step 4: Simplify right side
    25,715.43x = 510,477,854.86
  5. Step 5: Solve for x
    x = 510,477,854.86/25,715.43
  6. Step 6: Final answer
    x = 19,851.03

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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.