Home / 26,038.04-35,927.70-15,431

Finding the Fourth Proportional to 26,038.04, 35,927.70 and 15,431

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Solution

The fourth proportional to 26,038.04, 35,927.70 and 15,431 is: 21,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,038.04 : 35,927.70 = 15,431 : x
  2. Step 2: Convert to fraction form
    26,038.04/35,927.70 = 15,431/x
  3. Step 3: Cross multiply
    26,038.04x = 35,927.70 × 15,431
  4. Step 4: Simplify right side
    26,038.04x = 554,400,338.70
  5. Step 5: Solve for x
    x = 554,400,338.70/26,038.04
  6. Step 6: Final answer
    x = 21,291.94

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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.