Home / 25,909.02-38,875.84-13,426.72

Finding the Fourth Proportional to 25,909.02, 38,875.84 and 13,426.72

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Solution

The fourth proportional to 25,909.02, 38,875.84 and 13,426.72 is: 20,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.02 : 38,875.84 = 13,426.72 : x
  2. Step 2: Convert to fraction form
    25,909.02/38,875.84 = 13,426.72/x
  3. Step 3: Cross multiply
    25,909.02x = 38,875.84 × 13,426.72
  4. Step 4: Simplify right side
    25,909.02x = 521,975,018.44
  5. Step 5: Solve for x
    x = 521,975,018.44/25,909.02
  6. Step 6: Final answer
    x = 20,146.46

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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.