Home / 27,526.89-37,988.94-15,427.51

Finding the Fourth Proportional to 27,526.89, 37,988.94 and 15,427.51

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Solution

The fourth proportional to 27,526.89, 37,988.94 and 15,427.51 is: 21,290.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526.89 : 37,988.94 = 15,427.51 : x
  2. Step 2: Convert to fraction form
    27,526.89/37,988.94 = 15,427.51/x
  3. Step 3: Cross multiply
    27,526.89x = 37,988.94 × 15,427.51
  4. Step 4: Simplify right side
    27,526.89x = 586,074,751.74
  5. Step 5: Solve for x
    x = 586,074,751.74/27,526.89
  6. Step 6: Final answer
    x = 21,290.99

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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.