Home / 26,276.94-39,417.90-10,478.16

Finding the Fourth Proportional to 26,276.94, 39,417.90 and 10,478.16

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Solution

The fourth proportional to 26,276.94, 39,417.90 and 10,478.16 is: 15,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.94 : 39,417.90 = 10,478.16 : x
  2. Step 2: Convert to fraction form
    26,276.94/39,417.90 = 10,478.16/x
  3. Step 3: Cross multiply
    26,276.94x = 39,417.90 × 10,478.16
  4. Step 4: Simplify right side
    26,276.94x = 413,027,063.06
  5. Step 5: Solve for x
    x = 413,027,063.06/26,276.94
  6. Step 6: Final answer
    x = 15,718.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.