Home / 18,477.12-27,746.40-18,333.76

Finding the Fourth Proportional to 18,477.12, 27,746.40 and 18,333.76

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Solution

The fourth proportional to 18,477.12, 27,746.40 and 18,333.76 is: 27,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.12 : 27,746.40 = 18,333.76 : x
  2. Step 2: Convert to fraction form
    18,477.12/27,746.40 = 18,333.76/x
  3. Step 3: Cross multiply
    18,477.12x = 27,746.40 × 18,333.76
  4. Step 4: Simplify right side
    18,477.12x = 508,695,838.46
  5. Step 5: Solve for x
    x = 508,695,838.46/18,477.12
  6. Step 6: Final answer
    x = 27,531.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.