Home / 25,729.21-35,506.02-14,398.74

Finding the Fourth Proportional to 25,729.21, 35,506.02 and 14,398.74

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Solution

The fourth proportional to 25,729.21, 35,506.02 and 14,398.74 is: 19,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.21 : 35,506.02 = 14,398.74 : x
  2. Step 2: Convert to fraction form
    25,729.21/35,506.02 = 14,398.74/x
  3. Step 3: Cross multiply
    25,729.21x = 35,506.02 × 14,398.74
  4. Step 4: Simplify right side
    25,729.21x = 511,241,950.41
  5. Step 5: Solve for x
    x = 511,241,950.41/25,729.21
  6. Step 6: Final answer
    x = 19,870.10

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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.