Home / 25,426.19-38,141.81-9,420.01

Finding the Fourth Proportional to 25,426.19, 38,141.81 and 9,420.01

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Solution

The fourth proportional to 25,426.19, 38,141.81 and 9,420.01 is: 14,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.19 : 38,141.81 = 9,420.01 : x
  2. Step 2: Convert to fraction form
    25,426.19/38,141.81 = 9,420.01/x
  3. Step 3: Cross multiply
    25,426.19x = 38,141.81 × 9,420.01
  4. Step 4: Simplify right side
    25,426.19x = 359,296,159.81
  5. Step 5: Solve for x
    x = 359,296,159.81/25,426.19
  6. Step 6: Final answer
    x = 14,130.95

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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.