Home / 27,290.95-40,938.32-10,645.45

Finding the Fourth Proportional to 27,290.95, 40,938.32 and 10,645.45

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Solution

The fourth proportional to 27,290.95, 40,938.32 and 10,645.45 is: 15,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.95 : 40,938.32 = 10,645.45 : x
  2. Step 2: Convert to fraction form
    27,290.95/40,938.32 = 10,645.45/x
  3. Step 3: Cross multiply
    27,290.95x = 40,938.32 × 10,645.45
  4. Step 4: Simplify right side
    27,290.95x = 435,806,838.64
  5. Step 5: Solve for x
    x = 435,806,838.64/27,290.95
  6. Step 6: Final answer
    x = 15,968.91

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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.