Home / 26,256.45-39,387.13-10,457.67

Finding the Fourth Proportional to 26,256.45, 39,387.13 and 10,457.67

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Solution

The fourth proportional to 26,256.45, 39,387.13 and 10,457.67 is: 15,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,256.45 : 39,387.13 = 10,457.67 : x
  2. Step 2: Convert to fraction form
    26,256.45/39,387.13 = 10,457.67/x
  3. Step 3: Cross multiply
    26,256.45x = 39,387.13 × 10,457.67
  4. Step 4: Simplify right side
    26,256.45x = 411,897,607.79
  5. Step 5: Solve for x
    x = 411,897,607.79/26,256.45
  6. Step 6: Final answer
    x = 15,687.48

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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.