Home / 26,681.90-36,819.98-15,353.13

Finding the Fourth Proportional to 26,681.90, 36,819.98 and 15,353.13

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Solution

The fourth proportional to 26,681.90, 36,819.98 and 15,353.13 is: 21,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.90 : 36,819.98 = 15,353.13 : x
  2. Step 2: Convert to fraction form
    26,681.90/36,819.98 = 15,353.13/x
  3. Step 3: Cross multiply
    26,681.90x = 36,819.98 × 15,353.13
  4. Step 4: Simplify right side
    26,681.90x = 565,301,977.92
  5. Step 5: Solve for x
    x = 565,301,977.92/26,681.90
  6. Step 6: Final answer
    x = 21,186.72

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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.