Home / 26,225.76-39,347.28-10,639.20

Finding the Fourth Proportional to 26,225.76, 39,347.28 and 10,639.20

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Solution

The fourth proportional to 26,225.76, 39,347.28 and 10,639.20 is: 15,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,225.76 : 39,347.28 = 10,639.20 : x
  2. Step 2: Convert to fraction form
    26,225.76/39,347.28 = 10,639.20/x
  3. Step 3: Cross multiply
    26,225.76x = 39,347.28 × 10,639.20
  4. Step 4: Simplify right side
    26,225.76x = 418,623,581.38
  5. Step 5: Solve for x
    x = 418,623,581.38/26,225.76
  6. Step 6: Final answer
    x = 15,962.31

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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.