Home / 39,288.48-58,943.36-15,931.20

Finding the Fourth Proportional to 39,288.48, 58,943.36 and 15,931.20

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Solution

The fourth proportional to 39,288.48, 58,943.36 and 15,931.20 is: 23,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288.48 : 58,943.36 = 15,931.20 : x
  2. Step 2: Convert to fraction form
    39,288.48/58,943.36 = 15,931.20/x
  3. Step 3: Cross multiply
    39,288.48x = 58,943.36 × 15,931.20
  4. Step 4: Simplify right side
    39,288.48x = 939,038,456.83
  5. Step 5: Solve for x
    x = 939,038,456.83/39,288.48
  6. Step 6: Final answer
    x = 23,901.11

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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.