Home / 25,287.90-37,931.85-6,566.40

Finding the Fourth Proportional to 25,287.90, 37,931.85 and 6,566.40

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Solution

The fourth proportional to 25,287.90, 37,931.85 and 6,566.40 is: 9,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.90 : 37,931.85 = 6,566.40 : x
  2. Step 2: Convert to fraction form
    25,287.90/37,931.85 = 6,566.40/x
  3. Step 3: Cross multiply
    25,287.90x = 37,931.85 × 6,566.40
  4. Step 4: Simplify right side
    25,287.90x = 249,075,699.84
  5. Step 5: Solve for x
    x = 249,075,699.84/25,287.90
  6. Step 6: Final answer
    x = 9,849.60

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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.