Home / 21,708.30-32,557.51-10,457.91

Finding the Fourth Proportional to 21,708.30, 32,557.51 and 10,457.91

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Solution

The fourth proportional to 21,708.30, 32,557.51 and 10,457.91 is: 15,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.30 : 32,557.51 = 10,457.91 : x
  2. Step 2: Convert to fraction form
    21,708.30/32,557.51 = 10,457.91/x
  3. Step 3: Cross multiply
    21,708.30x = 32,557.51 × 10,457.91
  4. Step 4: Simplify right side
    21,708.30x = 340,483,522.48
  5. Step 5: Solve for x
    x = 340,483,522.48/21,708.30
  6. Step 6: Final answer
    x = 15,684.48

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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.