Home / 42,828.63-64,242.95-14,749.38

Finding the Fourth Proportional to 42,828.63, 64,242.95 and 14,749.38

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Solution

The fourth proportional to 42,828.63, 64,242.95 and 14,749.38 is: 22,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828.63 : 64,242.95 = 14,749.38 : x
  2. Step 2: Convert to fraction form
    42,828.63/64,242.95 = 14,749.38/x
  3. Step 3: Cross multiply
    42,828.63x = 64,242.95 × 14,749.38
  4. Step 4: Simplify right side
    42,828.63x = 947,543,681.87
  5. Step 5: Solve for x
    x = 947,543,681.87/42,828.63
  6. Step 6: Final answer
    x = 22,124.07

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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.