Home / 39,009.80-58,428.30-15,624.20

Finding the Fourth Proportional to 39,009.80, 58,428.30 and 15,624.20

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Solution

The fourth proportional to 39,009.80, 58,428.30 and 15,624.20 is: 23,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.80 : 58,428.30 = 15,624.20 : x
  2. Step 2: Convert to fraction form
    39,009.80/58,428.30 = 15,624.20/x
  3. Step 3: Cross multiply
    39,009.80x = 58,428.30 × 15,624.20
  4. Step 4: Simplify right side
    39,009.80x = 912,895,444.86
  5. Step 5: Solve for x
    x = 912,895,444.86/39,009.80
  6. Step 6: Final answer
    x = 23,401.70

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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.