Home / 26,341.66-36,346.09-15,581.21

Finding the Fourth Proportional to 26,341.66, 36,346.09 and 15,581.21

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Solution

The fourth proportional to 26,341.66, 36,346.09 and 15,581.21 is: 21,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,341.66 : 36,346.09 = 15,581.21 : x
  2. Step 2: Convert to fraction form
    26,341.66/36,346.09 = 15,581.21/x
  3. Step 3: Cross multiply
    26,341.66x = 36,346.09 × 15,581.21
  4. Step 4: Simplify right side
    26,341.66x = 566,316,117.77
  5. Step 5: Solve for x
    x = 566,316,117.77/26,341.66
  6. Step 6: Final answer
    x = 21,498.88

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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.