Home / 26,748-36,914.76-15,417.72

Finding the Fourth Proportional to 26,748, 36,914.76 and 15,417.72

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Solution

The fourth proportional to 26,748, 36,914.76 and 15,417.72 is: 21,277.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748 : 36,914.76 = 15,417.72 : x
  2. Step 2: Convert to fraction form
    26,748/36,914.76 = 15,417.72/x
  3. Step 3: Cross multiply
    26,748x = 36,914.76 × 15,417.72
  4. Step 4: Simplify right side
    26,748x = 569,141,433.55
  5. Step 5: Solve for x
    x = 569,141,433.55/26,748
  6. Step 6: Final answer
    x = 21,277.91

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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.