Home / 23,088.72-31,860.12-14,138.76

Finding the Fourth Proportional to 23,088.72, 31,860.12 and 14,138.76

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Solution

The fourth proportional to 23,088.72, 31,860.12 and 14,138.76 is: 19,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.72 : 31,860.12 = 14,138.76 : x
  2. Step 2: Convert to fraction form
    23,088.72/31,860.12 = 14,138.76/x
  3. Step 3: Cross multiply
    23,088.72x = 31,860.12 × 14,138.76
  4. Step 4: Simplify right side
    23,088.72x = 450,462,590.25
  5. Step 5: Solve for x
    x = 450,462,590.25/23,088.72
  6. Step 6: Final answer
    x = 19,510.07

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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.