Home / 25,985.53-38,950.42-13,502.49

Finding the Fourth Proportional to 25,985.53, 38,950.42 and 13,502.49

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Solution

The fourth proportional to 25,985.53, 38,950.42 and 13,502.49 is: 20,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.53 : 38,950.42 = 13,502.49 : x
  2. Step 2: Convert to fraction form
    25,985.53/38,950.42 = 13,502.49/x
  3. Step 3: Cross multiply
    25,985.53x = 38,950.42 × 13,502.49
  4. Step 4: Simplify right side
    25,985.53x = 525,927,656.55
  5. Step 5: Solve for x
    x = 525,927,656.55/25,985.53
  6. Step 6: Final answer
    x = 20,239.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.