Home / 26,439-36,487.26-15,264.60

Finding the Fourth Proportional to 26,439, 36,487.26 and 15,264.60

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Solution

The fourth proportional to 26,439, 36,487.26 and 15,264.60 is: 21,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439 : 36,487.26 = 15,264.60 : x
  2. Step 2: Convert to fraction form
    26,439/36,487.26 = 15,264.60/x
  3. Step 3: Cross multiply
    26,439x = 36,487.26 × 15,264.60
  4. Step 4: Simplify right side
    26,439x = 556,963,429.00
  5. Step 5: Solve for x
    x = 556,963,429.00/26,439
  6. Step 6: Final answer
    x = 21,065.98

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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.