Home / 21,402.40-32,096.40-14,870.56

Finding the Fourth Proportional to 21,402.40, 32,096.40 and 14,870.56

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Solution

The fourth proportional to 21,402.40, 32,096.40 and 14,870.56 is: 22,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.40 : 32,096.40 = 14,870.56 : x
  2. Step 2: Convert to fraction form
    21,402.40/32,096.40 = 14,870.56/x
  3. Step 3: Cross multiply
    21,402.40x = 32,096.40 × 14,870.56
  4. Step 4: Simplify right side
    21,402.40x = 477,291,441.98
  5. Step 5: Solve for x
    x = 477,291,441.98/21,402.40
  6. Step 6: Final answer
    x = 22,300.84

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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.