Home / 28,010.85-38,651.48-18,956.01

Finding the Fourth Proportional to 28,010.85, 38,651.48 and 18,956.01

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Solution

The fourth proportional to 28,010.85, 38,651.48 and 18,956.01 is: 26,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.85 : 38,651.48 = 18,956.01 : x
  2. Step 2: Convert to fraction form
    28,010.85/38,651.48 = 18,956.01/x
  3. Step 3: Cross multiply
    28,010.85x = 38,651.48 × 18,956.01
  4. Step 4: Simplify right side
    28,010.85x = 732,677,746.61
  5. Step 5: Solve for x
    x = 732,677,746.61/28,010.85
  6. Step 6: Final answer
    x = 26,156.93

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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.