Home / 26,624.48-36,742-14,689.20

Finding the Fourth Proportional to 26,624.48, 36,742 and 14,689.20

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Solution

The fourth proportional to 26,624.48, 36,742 and 14,689.20 is: 20,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.48 : 36,742 = 14,689.20 : x
  2. Step 2: Convert to fraction form
    26,624.48/36,742 = 14,689.20/x
  3. Step 3: Cross multiply
    26,624.48x = 36,742 × 14,689.20
  4. Step 4: Simplify right side
    26,624.48x = 539,710,586.40
  5. Step 5: Solve for x
    x = 539,710,586.40/26,624.48
  6. Step 6: Final answer
    x = 20,271.22

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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.