Home / 26,931.64-37,172.20-15,599.30

Finding the Fourth Proportional to 26,931.64, 37,172.20 and 15,599.30

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Solution

The fourth proportional to 26,931.64, 37,172.20 and 15,599.30 is: 21,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.64 : 37,172.20 = 15,599.30 : x
  2. Step 2: Convert to fraction form
    26,931.64/37,172.20 = 15,599.30/x
  3. Step 3: Cross multiply
    26,931.64x = 37,172.20 × 15,599.30
  4. Step 4: Simplify right side
    26,931.64x = 579,860,457.16
  5. Step 5: Solve for x
    x = 579,860,457.16/26,931.64
  6. Step 6: Final answer
    x = 21,530.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.