Home / 26,861.40-37,058.12-15,528.81

Finding the Fourth Proportional to 26,861.40, 37,058.12 and 15,528.81

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Solution

The fourth proportional to 26,861.40, 37,058.12 and 15,528.81 is: 21,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.40 : 37,058.12 = 15,528.81 : x
  2. Step 2: Convert to fraction form
    26,861.40/37,058.12 = 15,528.81/x
  3. Step 3: Cross multiply
    26,861.40x = 37,058.12 × 15,528.81
  4. Step 4: Simplify right side
    26,861.40x = 575,468,479.44
  5. Step 5: Solve for x
    x = 575,468,479.44/26,861.40
  6. Step 6: Final answer
    x = 21,423.62

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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.