Home / 25,681.86-35,442-14,926.68

Finding the Fourth Proportional to 25,681.86, 35,442 and 14,926.68

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Solution

The fourth proportional to 25,681.86, 35,442 and 14,926.68 is: 20,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.86 : 35,442 = 14,926.68 : x
  2. Step 2: Convert to fraction form
    25,681.86/35,442 = 14,926.68/x
  3. Step 3: Cross multiply
    25,681.86x = 35,442 × 14,926.68
  4. Step 4: Simplify right side
    25,681.86x = 529,031,392.56
  5. Step 5: Solve for x
    x = 529,031,392.56/25,681.86
  6. Step 6: Final answer
    x = 20,599.42

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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.