Home / 19,005.92-26,228.40-10,509.20

Finding the Fourth Proportional to 19,005.92, 26,228.40 and 10,509.20

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Solution

The fourth proportional to 19,005.92, 26,228.40 and 10,509.20 is: 14,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.92 : 26,228.40 = 10,509.20 : x
  2. Step 2: Convert to fraction form
    19,005.92/26,228.40 = 10,509.20/x
  3. Step 3: Cross multiply
    19,005.92x = 26,228.40 × 10,509.20
  4. Step 4: Simplify right side
    19,005.92x = 275,639,501.28
  5. Step 5: Solve for x
    x = 275,639,501.28/19,005.92
  6. Step 6: Final answer
    x = 14,502.82

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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.