Home / 21,125.55-31,681.02-10,024.71

Finding the Fourth Proportional to 21,125.55, 31,681.02 and 10,024.71

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Solution

The fourth proportional to 21,125.55, 31,681.02 and 10,024.71 is: 15,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.55 : 31,681.02 = 10,024.71 : x
  2. Step 2: Convert to fraction form
    21,125.55/31,681.02 = 10,024.71/x
  3. Step 3: Cross multiply
    21,125.55x = 31,681.02 × 10,024.71
  4. Step 4: Simplify right side
    21,125.55x = 317,593,038.00
  5. Step 5: Solve for x
    x = 317,593,038.00/21,125.55
  6. Step 6: Final answer
    x = 15,033.60

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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.