Home / 21,430.24-32,166.08-10,344.71

Finding the Fourth Proportional to 21,430.24, 32,166.08 and 10,344.71

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Solution

The fourth proportional to 21,430.24, 32,166.08 and 10,344.71 is: 15,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430.24 : 32,166.08 = 10,344.71 : x
  2. Step 2: Convert to fraction form
    21,430.24/32,166.08 = 10,344.71/x
  3. Step 3: Cross multiply
    21,430.24x = 32,166.08 × 10,344.71
  4. Step 4: Simplify right side
    21,430.24x = 332,748,836.92
  5. Step 5: Solve for x
    x = 332,748,836.92/21,430.24
  6. Step 6: Final answer
    x = 15,527.07

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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.