Home / 26,639.48-39,952.28-7,915.11

Finding the Fourth Proportional to 26,639.48, 39,952.28 and 7,915.11

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Solution

The fourth proportional to 26,639.48, 39,952.28 and 7,915.11 is: 11,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.48 : 39,952.28 = 7,915.11 : x
  2. Step 2: Convert to fraction form
    26,639.48/39,952.28 = 7,915.11/x
  3. Step 3: Cross multiply
    26,639.48x = 39,952.28 × 7,915.11
  4. Step 4: Simplify right side
    26,639.48x = 316,226,651.38
  5. Step 5: Solve for x
    x = 316,226,651.38/26,639.48
  6. Step 6: Final answer
    x = 11,870.60

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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.