Home / 21,332.40-32,014.60-10,938.80

Finding the Fourth Proportional to 21,332.40, 32,014.60 and 10,938.80

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Solution

The fourth proportional to 21,332.40, 32,014.60 and 10,938.80 is: 16,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.40 : 32,014.60 = 10,938.80 : x
  2. Step 2: Convert to fraction form
    21,332.40/32,014.60 = 10,938.80/x
  3. Step 3: Cross multiply
    21,332.40x = 32,014.60 × 10,938.80
  4. Step 4: Simplify right side
    21,332.40x = 350,201,306.48
  5. Step 5: Solve for x
    x = 350,201,306.48/21,332.40
  6. Step 6: Final answer
    x = 16,416.40

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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.