Home / 26,429.40-39,631.30-14,730.20

Finding the Fourth Proportional to 26,429.40, 39,631.30 and 14,730.20

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Solution

The fourth proportional to 26,429.40, 39,631.30 and 14,730.20 is: 22,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.40 : 39,631.30 = 14,730.20 : x
  2. Step 2: Convert to fraction form
    26,429.40/39,631.30 = 14,730.20/x
  3. Step 3: Cross multiply
    26,429.40x = 39,631.30 × 14,730.20
  4. Step 4: Simplify right side
    26,429.40x = 583,776,975.26
  5. Step 5: Solve for x
    x = 583,776,975.26/26,429.40
  6. Step 6: Final answer
    x = 22,088.17

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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.