Home / 26,178-36,125.36-15,567.40

Finding the Fourth Proportional to 26,178, 36,125.36 and 15,567.40

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Solution

The fourth proportional to 26,178, 36,125.36 and 15,567.40 is: 21,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178 : 36,125.36 = 15,567.40 : x
  2. Step 2: Convert to fraction form
    26,178/36,125.36 = 15,567.40/x
  3. Step 3: Cross multiply
    26,178x = 36,125.36 × 15,567.40
  4. Step 4: Simplify right side
    26,178x = 562,377,929.26
  5. Step 5: Solve for x
    x = 562,377,929.26/26,178
  6. Step 6: Final answer
    x = 21,482.85

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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.