Home / 22,828.66-31,502.95-12,756.76

Finding the Fourth Proportional to 22,828.66, 31,502.95 and 12,756.76

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Solution

The fourth proportional to 22,828.66, 31,502.95 and 12,756.76 is: 17,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.66 : 31,502.95 = 12,756.76 : x
  2. Step 2: Convert to fraction form
    22,828.66/31,502.95 = 12,756.76/x
  3. Step 3: Cross multiply
    22,828.66x = 31,502.95 × 12,756.76
  4. Step 4: Simplify right side
    22,828.66x = 401,875,572.44
  5. Step 5: Solve for x
    x = 401,875,572.44/22,828.66
  6. Step 6: Final answer
    x = 17,603.99

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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.