Home / 26,188.12-36,143.30-14,860.40

Finding the Fourth Proportional to 26,188.12, 36,143.30 and 14,860.40

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Solution

The fourth proportional to 26,188.12, 36,143.30 and 14,860.40 is: 20,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.12 : 36,143.30 = 14,860.40 : x
  2. Step 2: Convert to fraction form
    26,188.12/36,143.30 = 14,860.40/x
  3. Step 3: Cross multiply
    26,188.12x = 36,143.30 × 14,860.40
  4. Step 4: Simplify right side
    26,188.12x = 537,103,895.32
  5. Step 5: Solve for x
    x = 537,103,895.32/26,188.12
  6. Step 6: Final answer
    x = 20,509.45

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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.